Канал: Jaap Scherphuis

Saldorita Adding Machine

Saldorita Adding Machine

Monforts industrial counter with printing mechanism

Monforts industrial counter with printing mechanism

The Marchant Pony pinwheel calculator

The Marchant Pony pinwheel calculator

The Victor series 2 adding machine

The Victor series 2 adding machine

The Portable Adding Machine

The Portable Adding Machine

The Addo Model 2 adding machine

The Addo Model 2 adding machine

The Hamann Delta mechanical calculator

The Hamann Delta mechanical calculator

The Odhner LuSiD, a strange pinwheel calculator for British currency

The Odhner LuSiD, a strange pinwheel calculator for British currency

The Bair-Fulton Arithmetician Calculator No. 6

The Bair-Fulton Arithmetician Calculator No. 6

The Kohner Easy Adder

The Kohner Easy Adder

The Scotsman SR1 mechanical calculator

The Scotsman SR1 mechanical calculator

The O.J. Adder

The O.J. Adder

The Comptometer 992 mechanical calculator

The Comptometer 992 mechanical calculator

Consul, The Educated Monkey

Consul, The Educated Monkey

The Benton Tally Register

The Benton Tally Register

The Quixsum Fractional Adding Machine

The Quixsum Fractional Adding Machine

De Kleine Rekenmeester

De Kleine Rekenmeester

The Underwood 300R adding machine

The Underwood 300R adding machine

The mechanism of the Monroe K mechanical calculator

The mechanism of the Monroe K mechanical calculator

The Lindström Record Calculator

The Lindström Record Calculator

The Barrett Adding Machine

The Barrett Adding Machine

The Beckson ticket machine

The Beckson ticket machine

The Kuhrt calculator

The Kuhrt calculator

The Contex 30 calculator

The Contex 30 calculator

The Odhner H11C7 adding machine

The Odhner H11C7 adding machine

26-sided antique stone die

26-sided antique stone die

The AEG KAL portable ticket machine

The AEG KAL portable ticket machine

The Olivetti Summa 15 adding machine

The Olivetti Summa 15 adding machine

Precisa 102-1 adding machine

Precisa 102-1 adding machine

The Addo-X 341 adding machine

The Addo-X 341 adding machine

The Olympia AE-8 adding machine

The Olympia AE-8 adding machine

The Summira S printing adding machine

The Summira S printing adding machine

Beaver adding machine

Beaver adding machine

The SCM 1011 CB adding machine

The SCM 1011 CB adding machine

The Precise adding machine

The Precise adding machine

The Multo mechanical calculator

The Multo mechanical calculator

The Everest Plurima Manuale adding machine

The Everest Plurima Manuale adding machine

The Brunsviga 11S mechanism in action

The Brunsviga 11S mechanism in action

The Brunsviga 11S mechanical calculator

The Brunsviga 11S mechanical calculator

The Everest Z5R calculator

The Everest Z5R calculator

The Summira 7 adding machine

The Summira 7 adding machine

Otis King's Pocket Calculator

Otis King's Pocket Calculator

The Countess adding machine

The Countess adding machine

The Russian Felix M calculator

The Russian Felix M calculator

The Precisa 364 adding machine

The Precisa 364 adding machine

The Hasbro Adding Machine

The Hasbro Adding Machine

The American Adding Machine

The American Adding Machine

The first and the last Sumlock calculator models

The first and the last Sumlock calculator models

The Sumlock mechanical calculator, and some advanced calculation techniques.

The Sumlock mechanical calculator, and some advanced calculation techniques.

The Mercedes Euklid 16 mechanical calculator

The Mercedes Euklid 16 mechanical calculator

The Victor 16-83-54 Adding Machine

The Victor 16-83-54 Adding Machine

A short history of the Comptometer

A short history of the Comptometer

The Elm City Counter

The Elm City Counter

The Sirius adder

The Sirius adder

The Triumphator CRN2 pinwheel mechanical calculator

The Triumphator CRN2 pinwheel mechanical calculator

The Multifix E1R mechanical calculator

The Multifix E1R mechanical calculator

The Brunsviga D 13Z/1 double calculator

The Brunsviga D 13Z/1 double calculator

The Denominator, a pay roll adding machine

The Denominator, a pay roll adding machine

Rare Lipsia Addi 7 adding machine with printing mechanism

Rare Lipsia Addi 7 adding machine with printing mechanism

The Precisa 117 mechanical calculator

The Precisa 117 mechanical calculator

A steam engine revolution counter

A steam engine revolution counter

The Facit CA1-13 fully automatic mechanical calculator

The Facit CA1-13 fully automatic mechanical calculator

The Sterling Dial-A-Matic adding machine, 6-dial model

The Sterling Dial-A-Matic adding machine, 6-dial model

The Schubert DRV mechanical calculator

The Schubert DRV mechanical calculator

The Ken+Add adding machine

The Ken+Add adding machine

The Antares P4 mechanical calculator

The Antares P4 mechanical calculator

How the Original Odhner pinwheel calculator works

How the Original Odhner pinwheel calculator works

The Original-Odhner 24 mechanical calculator

The Original-Odhner 24 mechanical calculator

The Calculator adding machine

The Calculator adding machine

The SIMEX Caroline adding machine

The SIMEX Caroline adding machine

The Melitta VII/16 pinwheel calculator

The Melitta VII/16 pinwheel calculator

The Madas Portable 12e mechanical calculator

The Madas Portable 12e mechanical calculator

The Madas BZS mechanical calculator

The Madas BZS mechanical calculator

The mechanism of the EOS mechanical calculator

The mechanism of the EOS mechanical calculator

The EOS mechanical calculator

The EOS mechanical calculator

The Technidyne Micro-Tally adding machine

The Technidyne Micro-Tally adding machine

The Multical mechanical calculator

The Multical mechanical calculator

Dacometer 508

Dacometer 508

The Hamann Manus E

The Hamann Manus E

The Chadwick Add-A-Mite

The Chadwick Add-A-Mite

Facit CM2-16 mechanical calculator

Facit CM2-16 mechanical calculator

An early Plus Adder by Bell Punch

An early Plus Adder by Bell Punch

The Add-A-Mite Pocket Calculator

The Add-A-Mite Pocket Calculator

The Brunsviga 11E Mechanical Calculator

The Brunsviga 11E Mechanical Calculator

The STOP button of the Marchant ACT-10M calculator

The STOP button of the Marchant ACT-10M calculator

The Marchant ACT-10M mechanical calculator

The Marchant ACT-10M mechanical calculator

Marchant ACT-10M doing division in slow motion

Marchant ACT-10M doing division in slow motion

Victor Adding Machines

Victor Adding Machines

The Business and Master adding machines

The Business and Master adding machines

The Diehl EVM18 calculator

The Diehl EVM18 calculator

The Itemizer adding machine

The Itemizer adding machine

The Dial-admatic Adding Machine

The Dial-admatic Adding Machine

The Addac Adding Machine

The Addac Adding Machine

The mechanism of the Thales A pinwheel calculator

The mechanism of the Thales A pinwheel calculator

The Thales model A calculator

The Thales model A calculator

The Contex A Adding Machine

The Contex A Adding Machine

The Stima CM-III Adding Machine

The Stima CM-III Adding Machine

The Bell Punch Analyser

The Bell Punch Analyser

The Signature Junior Adding and Multiplying Machine

The Signature Junior Adding and Multiplying Machine

Rheinmetall D IIa Calculator

Rheinmetall D IIa Calculator

The Solo Handy Calculator / Chadwick Mini-Calculator / Neckermann Haushaltkalkulator

The Solo Handy Calculator / Chadwick Mini-Calculator / Neckermann Haushaltkalkulator

The Högfors Adding Machine

The Högfors Adding Machine

The Star Adding Machine

The Star Adding Machine

The mechanism of the Monroe Calculator Model F

The mechanism of the Monroe Calculator Model F

The model F Monroe Calculator

The model F Monroe Calculator

The Burroughs Portable adding machine

The Burroughs Portable adding machine

The Walther WSR-160 mechanical calculator

The Walther WSR-160 mechanical calculator

The Badenia TH13 mechanical calculator

The Badenia TH13 mechanical calculator

The Redington Counting Machine

The Redington Counting Machine

Goldman's Arithstyle Arith-machine

Goldman's Arithstyle Arith-machine

The Add-O-Matic Adding Machine

The Add-O-Matic Adding Machine

The mechanism of the Add-O-Matic Adding Machine.

The mechanism of the Add-O-Matic Adding Machine.

The mechanism of the Addimult Ziffrex

The mechanism of the Addimult Ziffrex

The Addimult Ziffrex adding machine

The Addimult Ziffrex adding machine

The mechanism of the Add-em toy adding machine

The mechanism of the Add-em toy adding machine

The Add-em toy adding machine

The Add-em toy adding machine

The Dacometer 908 mechanical calculator

The Dacometer 908 mechanical calculator

Purse Adding Machine

Purse Adding Machine

Addometer adding machine

Addometer adding machine

The mechanism of the Archimedes Model D mechanical calculator

The mechanism of the Archimedes Model D mechanical calculator

Archimedes Model D mechanical calculator

Archimedes Model D mechanical calculator

The Fraction Of an Inch Adding Machine a.k.a. Fractron

The Fraction Of an Inch Adding Machine a.k.a. Fractron

The Demos II mechanical calculator

The Demos II mechanical calculator

The proportional lever mechanism of the Mercedes-Euklid calculators

The proportional lever mechanism of the Mercedes-Euklid calculators

The Mercedes-Euklid model 29 mechanical calculator

The Mercedes-Euklid model 29 mechanical calculator

The mechanism of the Brunsviga 10

The mechanism of the Brunsviga 10

The Brunsviga 10 mechanical calculator

The Brunsviga 10 mechanical calculator

Numeria calculators

Numeria calculators

The Monroe Calculator Models K, KA, and L

The Monroe Calculator Models K, KA, and L

Lightning Adding Machine comparison

Lightning Adding Machine comparison

The Sterling Dial-A-Matic Adding Machine

The Sterling Dial-A-Matic Adding Machine

Addimat adding machine and the Schnellrechner

Addimat adding machine and the Schnellrechner

The Hamann Manus F mechanical calculator

The Hamann Manus F mechanical calculator

Brunsviga 90 TA adding machine

Brunsviga 90 TA adding machine

The Triumphator KA adding machine

The Triumphator KA adding machine

The Checkbook Balancer, a small two-sided adding machine

The Checkbook Balancer, a small two-sided adding machine

The Peter Pan Adding Machine

The Peter Pan Adding Machine

Conto model C

Conto model C

The Marchant XL's mechanism

The Marchant XL's mechanism

The Marchant XL Calculator

The Marchant XL Calculator

Three generations of the Burroughs Calculator

Three generations of the Burroughs Calculator

Stephenson Adding Machine

Stephenson Adding Machine

Brunsviga Nova II mechanical calculator

Brunsviga Nova II mechanical calculator

The Rapid Computer

The Rapid Computer

The British Calculator - BriCal

The British Calculator - BriCal

The Unitas Calculator

The Unitas Calculator

Seidel & Naumann Adding Machine

Seidel & Naumann Adding Machine

The Corema Portative MC 15

The Corema Portative MC 15

The Curta Calculator

The Curta Calculator

The Webb Adder

The Webb Adder

The Direct II mechanical calculator

The Direct II mechanical calculator

Thales KA adding machine

Thales KA adding machine

The Contex 10 mechanical calculator

The Contex 10 mechanical calculator

The Contex model B adding machine

The Contex model B adding machine

The Facit C1-13 Calculator

The Facit C1-13 Calculator

The Walther RMKZ calculator

The Walther RMKZ calculator

Resulta E7 mechanical calculator

Resulta E7 mechanical calculator

Golden Gem adding machine

Golden Gem adding machine

A Lab Counter by the Denominator Company

A Lab Counter by the Denominator Company

Calculator tables and disk-shaped currency table

Calculator tables and disk-shaped currency table

The Alexe Mini Calculator

The Alexe Mini Calculator

The Lightning Adding Machine

The Lightning Adding Machine

The Standard Desk Calcumeter

The Standard Desk Calcumeter

The first Burroughs Calculator

The first Burroughs Calculator

Model E Comptometer

Model E Comptometer

The Kesling Pocket Adder, a.k.a. Kes-Add, a small adding device

The Kesling Pocket Adder, a.k.a. Kes-Add, a small adding device

The Pocket Counter, a small adding machine

The Pocket Counter, a small adding machine

The Pocket Adding Machine

The Pocket Adding Machine

Aderes adding machine

Aderes adding machine

Comptometer Arithmetic

Comptometer Arithmetic

The Comptometer Super Totalizer, a mechanical calculator.

The Comptometer Super Totalizer, a mechanical calculator.

Spectator Card Stab

Spectator Card Stab

One-handed Riffle Shuffle Tutorial

One-handed Riffle Shuffle Tutorial

One-handed Riffle Shuffle

One-handed Riffle Shuffle

A Bit of Fry & Laurie, sketch with Psion Organiser

A Bit of Fry & Laurie, sketch with Psion Organiser

Coin Magic: French Drop Tutorial

Coin Magic: French Drop Tutorial

Coin Magic - French Drop

Coin Magic - French Drop

Snail Tube

Snail Tube

Mephisto Spiral Optical Illusion

Mephisto Spiral Optical Illusion

My puzzle collection (Long video)

My puzzle collection (Long video)

A quick view of my complete puzzle collection

A quick view of my complete puzzle collection

Tying shoelaces quickly.

Tying shoelaces quickly.

Coin Magic: coin drop vanish

Coin Magic: coin drop vanish

Clouds across the moon

Clouds across the moon

Card Magic: Card Change

Card Magic: Card Change

Card Magic - More Ambitious Card Moves

Card Magic - More Ambitious Card Moves

Card Magic - Charlier card shift

Card Magic - Charlier card shift

Rubber Band Magic - Screwy Rising Rubber Band

Rubber Band Magic - Screwy Rising Rubber Band

Rubber Band Magic - Linking Bands

Rubber Band Magic - Linking Bands

Digicomp II multiplying 10 by 2

Digicomp II multiplying 10 by 2

Digicomp II negating 12 in binary twos complement

Digicomp II negating 12 in binary twos complement

Coin Magic - Coin Vanish

Coin Magic - Coin Vanish

Card Magic - Another Collection

Card Magic - Another Collection

Card Magic - Four of a kind deal

Card Magic - Four of a kind deal

Card Magic - Card Portal

Card Magic - Card Portal

Card Magic - Double Sandwich

Card Magic - Double Sandwich

Card Magic - Gilbreath Sympathy

Card Magic - Gilbreath Sympathy

Card Magic - Matcher

Card Magic - Matcher

Card Magic - One handed riffle shuffle

Card Magic - One handed riffle shuffle

Coin Magic - Tossing a coin heads ten times in a row

Coin Magic - Tossing a coin heads ten times in a row