how, on delivering a ring to a number of persons, to find which person has got it, which hand it is on, which finger, and which joint. \n people seated in a row and numbered, calculation is made and result gives answers \n unknown
1784
breslaw's last legacy
Unknown

How, on delivering a Ring to a Number of Persons, to find which Person has got it, which Hand it is on, which Finger, and which Joint.

people seated in a row and numbered, calculation is made and result gives answers

démonstration de mémoire avec un livre de 100 pages de chiffres \n memory demonstration with a 100-page book of numbers \n henri decremps
1786
testament de jérôme sharp Henri Decremps

Démonstration de mémoire avec un livre de 100 pages de chiffres

Memory demonstration with a 100-page book of numbers

the demon digits \n three cards with numbers arrange themselves in requested order \n adolphe "magicus" blind \n the demon digits \n adolphe "magicus" blind
1911
later magic Adolphe "Magicus" Blind

The Demon Digits

three cards with numbers arrange themselves in requested order

the elusive digits \n four cards with numbers from one to four in a glass frame, arrange in wanted order, second set of cards in card stand \n oswald rae
1926
between ourselves Oswald Rae

The Elusive Digits

four cards with numbers from one to four in a glass frame, arrange in wanted order, second set of cards in card stand

double date \n dates of two borrowed coins divined, dates written into grid on a paper by spectator \n tom sellers \n anything squared \n karl fulves
1931
magical pleasantries Tom Sellers

Double Date

dates of two borrowed coins divined, dates written into grid on a paper by spectator

telling a chosen card \n divine value of playing card via mathematical method (multiply by three, add six, divide by three) \n unknown
1949
tricks and stunts with playing cards
Unknown

Telling a Chosen Card

Divine value of playing card via mathematical method (multiply by three, add six, divide by three)

the elevens stunt \n mathematical stunt, place three cards on table, numbers can always be divided by eleven \n unknown
1949
tricks and stunts with playing cards
Unknown

The Elevens Stunt

Mathematical stunt, place three cards on table, numbers can always be divided by eleven

think of a number \n business cards with number written on them, chosen number is spelled and card with same number is found \n ronald b. edwards
1954
the new phoenix 301-348 Ronald B. Edwards

Think of a Number

business cards with number written on them, chosen number is spelled and card with same number is found

heath's "tappit" \n tapping the hours type of trick, but with colored tiles and numbers printed on them \n royal vale heath \n tapping the hours \n unknown \n eddie joseph
1956
mathematics, magic and mystery Royal Vale Heath

Heath's "Tappit"

Tapping the Hours type of trick, but with colored tiles and numbers printed on them

blyth's domino box \n dominoes in a box shifted, the spots on the dominoes will predict how many have been shifted \n will blyth \n blocks of india \n unknown
1956
mathematics, magic and mystery Will Blyth

Blyth's Domino Box

Dominoes in a box shifted, the spots on the dominoes will predict how many have been shifted

the cyclic number \n a packet containing six cards forming the number 142857, when multiplied by any number from 2 to 6, gives a result which the cards themselves reveal \n lloyd e. jones
1956
mathematics, magic and mystery Lloyd E. Jones

The Cyclic Number

A packet containing six cards forming the number 142857, when multiplied by any number from 2 to 6, gives a result which the cards themselves reveal

time on my hands \n twelve chips with numbers on one side and letters on other side, five color coded control cards (cccc), clock layout, a chosen number is eventually revealed \n paul swinford
1971
lecture notes Paul Swinford

Time on my Hands

twelve chips with numbers on one side and letters on other side, five color coded control cards (CCCC), clock layout, a chosen number is eventually revealed

paradox papers \n paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with cards, steve shimm suggestion, tapestry handling, see also p. 521 for gene nielson handling, h. e. dudeney \n martin gardner \n henry dudeny puzzle from "modern puzzles" (1926) \n news test \n edmund rowland \n paradox papers \n martin gardner \n wraparound \n karl fulves \n foldover notes \n karl fulves \n paper folding note \n karl fulves \n paradox redux \n philip t. goldstein \n folding numbers \n jack avis \n the core \n pit hartling \n disparity \n ramón riobóo
1971
the pallbearers review vol. 5-8 Martin Gardner

Paradox Papers

paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with cards, Steve Shimm suggestion, tapestry handling, see also p. 521 for Gene Nielson handling, H. E. Dudeney

numbers game \n several numbers are written next to letters of the alphabet, one letter is selected with abc cards and performer divines number \n jerry mentzer
1972
the compleat magick — volume i Jerry Mentzer

Numbers Game

several numbers are written next to letters of the alphabet, one letter is selected with ABC cards and performer divines number

the missing digit \n spectator form two numbers from all ten digits, adds them and removes one digit from answer which the performer divines, from a dover collection edited by martin gardner \n sam lloyd
1972
the pallbearers review vol. 5-8 Sam Lloyd

The Missing Digit

spectator form two numbers from all ten digits, adds them and removes one digit from answer which the performer divines, from a Dover collection edited by Martin Gardner

lightning strikes thrice \n three numbers and totals arrived at with blank cards, they are all identical, see p. 1053 for note by johnnie murray \n stewart judah \n lightning strikes thrice \n stewart judah \n blue lightning \n karl fulves \n cubic code \n karl fulves
1974
the pallbearers review vol. 9-10 Stewart Judah

Lightning Strikes Thrice

three numbers and totals arrived at with blank cards, they are all identical, see p. 1053 for note by Johnnie Murray

in the mirror \n spectator writes number on mirror, performer on another mirror, numbers transpose in mirror writing, variation with words, see also p. 786 for comment by reinhard müller \n robert e. neale \n karl fulves
1974
the pallbearers review vol. 9-10 Robert E. Neale, Karl Fulves

In the Mirror

spectator writes number on mirror, performer on another mirror, numbers transpose in mirror writing, variation with words, see also p. 786 for comment by Reinhard Müller

smart as hell \n numbers written on slip, some chosen, person with higher total wins, amazingly the totals are equal \n arthur hill
1975
the pallbearers review vol. 9-10 Arthur Hill

Smart As Hell

numbers written on slip, some chosen, person with higher total wins, amazingly the totals are equal

numerology \n performer and spectator choose a digit from serial of a bill, after some calculation the spectator has a two-digit number with both those digits \n karl fulves
1977
the magic book Karl Fulves

Numerology

performer and spectator choose a digit from serial of a bill, after some calculation the spectator has a two-digit number with both those digits

change in mind \n "as many pennies as you have, plus three more, plus enough left over...", trick that fooled einstein with coins \n karl fulves \n correct change \n jon racherbaumer
1977
the magic book Karl Fulves

Change in Mind

"as many pennies as you have, plus three more, plus enough left over...", trick that fooled Einstein with coins

the new math miracle \n six cards with numbers on both sides in envelopes, shuffled and turned over by spectator, total is divined \n larry becker \n hummer's poker chip baffle \n bob hummer
1978
world of super mentalism Larry Becker

The New Math Miracle

six cards with numbers on both sides in envelopes, shuffled and turned over by spectator, total is divined

sh-h-! \n 25 number card with numbers from one to five, spectator divines if numbers match or not \n dr. dan j. alessini
1979
the compleat magick — volume iii Dr. Dan J. Alessini

SH-H-!

25 number card with numbers from one to five, spectator divines if numbers match or not

resistible rithmetic \n no. 3, spectator writes number with writing surface held away and gets it wrong (18 instead of 81), mirror writing \n unknown
1983
self-working number magic
Unknown

Resistible Rithmetic

No. 3, spectator writes number with writing surface held away and gets it wrong (18 instead of 81), mirror writing

step right up \n no. 4, sixteen slips, half with "i owe you $1", half with "you owe me $1", spectator writes down 1, 2, 4, 8 in any order with plus or minus between and counts to a slip and loses \n unknown
1983
self-working number magic
Unknown

Step Right Up

No. 4, sixteen slips, half with "i owe you $1", half with "you owe me $1", spectator writes down 1, 2, 4, 8 in any order with plus or minus between and counts to a slip and loses

lightning strikes thrice \n no. 10, three numbers and totals arrived at with blank cards, they are all identical \n stewart judah \n lightning strikes thrice \n stewart judah
1983
self-working number magic Stewart Judah

Lightning Strikes Thrice

No. 10, three numbers and totals arrived at with blank cards, they are all identical

computer dating \n no. 2, two persons write a digit, calculation done with one digit leads to two-digit number composed of both original numbers \n unknown
1983
self-working number magic
Unknown

Computer Dating

No. 2, two persons write a digit, calculation done with one digit leads to two-digit number composed of both original numbers

paradox papers \n no. 9, paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with card values on paper or card layout (chosen card turned over is only odd-colored at the end) \n martin gardner \n paradox papers \n martin gardner
1985
self-working paper magic Martin Gardner

Paradox Papers

No. 9, paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with card values on paper or card layout (chosen card turned over is only odd-colored at the end)

mind scan \n no. 57, two cardboards, one has triangle and circle cut out, other has some numbers, spectator puts first one on top of second one, adds numbers that are visible and announces total, performer knows numbers and which is in circle \n karl fulves \n hummer effects \n karl fulves
1985
self-working paper magic Karl Fulves

Mind Scan

No. 57, two cardboards, one has triangle and circle cut out, other has some numbers, spectator puts first one on top of second one, adds numbers that are visible and announces total, performer knows numbers and which is in circle

mah jongg cubes \n colored squares with numbers on other side, number selected and spelled with mixed squares \n unknown
1985
the fred braue notebooks
Unknown

Mah Jongg Cubes

colored squares with numbers on other side, number selected and spelled with mixed squares

the binary system \n historical information and punch card sorting applications
- sorting 32 punch cards in numerical order
- divining selected number
- solving logic problem \n martin gardner \n scientific american, dec. 1960 \n gardner adenda \n paul swinford
1986
the cyberdeck Martin Gardner

The Binary System

historical information and punch card sorting applications

unlisted numbers \n four discs with four numbers on each, spectator choses one disc, all put in pocket, performer finds right one without looking \n karl fulves
1993
easy-to-do magic tricks for children Karl Fulves

Unlisted Numbers

four discs with four numbers on each, spectator choses one disc, all put in pocket, performer finds right one without looking

jumble \n number up to twelve chosen, letters that spell the number taken from letter deck, second number as well, performer looks at all letters shuffled together and announced both numbers, with two more uses of sallows square
- crosswords
- si minus (card counting analog) \n karl fulves
1994
verbatim Karl Fulves

Jumble

number up to twelve chosen, letters that spell the number taken from letter deck, second number as well, performer looks at all letters shuffled together and announced both numbers, with two more uses of Sallows Square

jumbled numbers \n no. 33, seven numbers on slips of paper are threaded onto safety pin in random order, performer takes it behind his back and tears off the numbers in order of spectator's phone number \n karl fulves
1995
easy magic Karl Fulves

Jumbled Numbers

No. 33, seven numbers on slips of paper are threaded onto safety pin in random order, performer takes it behind his back and tears off the numbers in order of spectator's phone number

comment on contest influence \n five cards, one one and four zeros, put in any order and the resulting number is paid out \n karl fulves \n "contest influence" (robert ecklund, ed mellon's "mental wise") \n contest influence solutions \n max abrams
1995
the fine print Karl Fulves

Comment on Contest Influence

five cards, one One and four Zeros, put in any order and the resulting number is paid out

Inspired by

"Contest Influence" (Robert Ecklund, Ed Mellon's "Mental Wise")

contest influence solutions \n five cards, one one and four zeros, put in any order and the resulting number is paid out, two methods, velleda \n max abrams \n before your eyes \n norman ashworth \n comment on contest influence \n karl fulves
1996
the fine print Max Abrams

Contest Influence Solutions

five cards, one One and four Zeros, put in any order and the resulting number is paid out, two methods, velleda

a new year curiosity \n "dot com - tricks and stunts with numbers"
apparently random calculation with a 3x3 matrix, 1997 arrived at \n martin gardner \n dr. irving joshua matrix \n rec newsletter (michael ecker) \n a very good year \n sam schwartz
1997
the fine print Martin Gardner, Dr. Irving Joshua Matrix

A New Year Curiosity

"Dot Com - Tricks and stunts with numbers"
apparently random calculation with a 3x3 matrix, 1997 arrived at

a very good year \n "dot com - tricks and stunts with numbers"
apparently random calculation with a 3x3 matrix, 1998 arrived at \n sam schwartz \n a new year curiosity \n martin gardner \n dr. irving joshua matrix
1997
the fine print Sam Schwartz

A Very Good Year

"Dot Com - Tricks and stunts with numbers"
apparently random calculation with a 3x3 matrix, 1998 arrived at

your better half \n "dot com - tricks and stunts with numbers"
age revealed after some number calculation \n karl fulves
1998
the fine print Karl Fulves

Your Better Half

"Dot Com - Tricks and stunts with numbers"
age revealed after some number calculation

totalizer \n "an impromptu trick with four dice"
four dice put on table with one-two-five-six sides up, spectator follows some instructions or not while back is turned and covers dice, performer arranges dice so that two left dice have same total as right dice \n karl fulves
2001
latter day secrets Karl Fulves

Totalizer

"An impromptu trick with four dice"
four dice put on table with One-Two-Five-Six sides up, spectator follows some instructions or not while back is turned and covers dice, performer arranges dice so that two left dice have same total as right dice

cryptomania \n board to transcribe letters into numbers, names become numbers etc \n david berglas
2002
the mind & magic of david berglas David Berglas

Cryptomania

board to transcribe letters into numbers, names become numbers etc

alpha numeric \n further notes on combo system and number systems
- the octal system
- the hexadecimal system
- binary to hex \n karl fulves
2005
combo ii Karl Fulves

easy as a<sup><sup>b</sup>⁄<sub>c</sub><sup> \n calculator option for simplifying task to spectators in division tricks \n mel bennett \n zangbar zackleback problem (genii, june 1952, oct. 1958, ibidem #12-14) \n "math prediction" (david g. luenberger, linking ring, march 1974, p. 77) \n remains to be seen \n sam schwartz \n karl fulves
2006
prolix Mel Bennett

Easy As A^{b⁄c
}

calculator option for simplifying task to spectators in division tricks

Inspired by

Zangbar Zackleback Problem (Genii, June 1952, Oct. 1958, Ibidem #12-14)

Related to

"Math Prediction" (David G. Luenberger, Linking Ring, March 1974, p. 77)

breaking bread \n small pieces of bread placed in groups that form a square, even though some are eaten, the amount of bread stays the same, mathematical principle (edge counting) \n robert e. neale \n to feed many \n michael weber
2008
this is not a book Robert E. Neale

Breaking Bread

Small pieces of bread placed in groups that form a square, even though some are eaten, the amount of bread stays the same, mathematical principle (edge counting)

i bless bile \n cards with numbers on them used to spell various words when turned upside down, then flipped over to reveal a skull picture \n robert e. neale \n hot spell \n dan harlan
2008
this is not a book Robert E. Neale

I Bless Bile

Cards with numbers on them used to spell various words when turned upside down, then flipped over to reveal a skull picture

nothing test \n numbers chosen and put in calculator, divided by numbers chosen from deck of cards, remainder given out in money, it is zero three times \n mel bennett
2010
prolix Mel Bennett

Nothing Test

numbers chosen and put in calculator, divided by numbers chosen from deck of cards, remainder given out in money, it is zero three times

perpetual \n "in order"
four cardboard pieces with numbers on both sides are in envelopes, with his back turned the performer orders them in numerical order \n karl fulves \n perpetual notions \n karl fulves
2011
prolix Karl Fulves

Perpetual

"In Order"
four cardboard pieces with numbers on both sides are in envelopes, with his back turned the performer orders them in numerical order

perpetual notions \n "notes on 'perpetual'"
four cardboard pieces with numbers on both sides are in envelopes, with his back turned the performer orders them in numerical order
- tight circle
- in color
- picking numbers
- perceptual
- using windows
- perpetual numbers \n karl fulves \n perpetual \n karl fulves
2011
xtra credit Karl Fulves

Perpetual Notions

"Notes on 'Perpetual'"
four cardboard pieces with numbers on both sides are in envelopes, with his back turned the performer orders them in numerical order

numballoon prediction \n use numbered balloons to predict serial number on dollar bill \n jon allen \n shimon nahamani
2017
the interrobang lecture Jon Allen, Shimon Nahamani

Numballoon Prediction

Use numbered balloons to predict serial number on dollar bill