Image
Category
Maker
Object type
Place
Material
Date

Hewlett Packard HP 46 electronic desktop printing calculator, c. 1973.

1973

An instrument for obtaining the correction of lunar distances from the Sun

1850-1858

Atls circular slide rule by Gilson Slide Rule Company

Astrological calculator in slide-rule format

Circular calculator, bombing angle computer, Mk1.

Airborne photographic exposure calculator

Course and Speed calculator

Circular VT (variable timing) fuze setting calculator

Mechanical aircraft course calculator from Germany

Fuller calculator

Simmonds-Goudime computor

VISTAMATIC LIGHTNING (POCKET) PAPER CALCULATOR by The Vistascreen Co. Ltd.

Circular calculator - computer bombing angle Mk 2.

Sectioned Sinclair Executive pocket calculator

1972

Unicom 202/SR Electronic Pocket Calculator

1974

Sinclair Oxford Universal Five Function Electronic Pocket Calculator with memory

1975

Sharp EL-512 scientific calculator

Toshiba Toscal BC-1621 desktop electronic calculator

Hanimex pocket electronic calculator

Burroughs EA2000/EA2101 printing calculator

IME 86-S electronic calculator

1968

Olivetti Logos 41 printing calculator

Casio AL 1000 Desk top Electronic Calculator

1965-1970

Schickard Calculator (Replica)

1992

Casio electronic calculator model AL 2000

Dew point calculator

Electronic calculator

1980-1989

IME 84 electronic calculator with auxiliary memory and handbook

A trigonometrical calculator, British, 1826-1842

1826-1842

Sinclair Cambridge pocket calculator with case and original packaging

Course and speed calculator Mk IIA. HTA(1928) Ltd

1928

Collection of three mechanical hand calculators.

1930-1940

Wellcome photographic exposure calculator handbook and diary

1937

Griffin's Combined Exposure and Development Calculator

"Wellcome" Exposure Calculator

Watkins' Temperature Coefficient Calculator

Machine for finding the roots of cubic equations both real and impossible

Calculating Machine for Computing Trigonometry

1664

Calculator for determining voltage

Canon 161 Electronic calculator

Casio electronic calculator model AS-B, c.1975

"Avionaut" aeronautical course and distance calculator

Course and distance calculator by C. Plath

1930-1956

Addison-Luard Course and Wind Calculator type D

1920s

Mechanical course and speed calculator, Mk 11A.

Calculator for determining flash burst heights

Prototype unit for TOF (time of fall) calculator model B

True airspeed mechanical circular calculator.

German circular aircraft course calculator.

German wind and course calculator.