


IME 84 electronic calculator with auxiliary memory and handbook

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

Simmonds-Goudime computor

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

Astrological calculator in slide-rule format

Wellcome photographic exposure calculator handbook and diary
1937

Griffin's Combined Exposure and Development Calculator

"Wellcome" Exposure Calculator

Watkins' Temperature Coefficient Calculator

A trigonometrical calculator, British, 1826-1842
1826-1842

Sectioned Sinclair Executive pocket calculator
1972

Casio AL 1000 Desk top Electronic Calculator
1965-1970

Schickard Calculator (Replica)
1992

Casio electronic calculator model AL 2000

Electronic calculator
1980-1989

Dew point calculator

Circular calculator - computer bombing angle Mk 2.

Course and Speed calculator

Collection of three mechanical hand calculators.
1930-1940

Mechanical aircraft course calculator from Germany

Circular calculator, bombing angle computer, Mk1.

Fuller calculator

Circular VT (variable timing) fuze setting calculator

Airborne photographic exposure calculator

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

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

Olivetti Logos 41 printing calculator

An instrument for obtaining the correction of lunar distances from the Sun
1850-1858

Atls circular slide rule by Gilson Slide Rule Company

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

"Avionaut" aeronautical course and distance calculator

Course and distance calculator by C. Plath
1930-1956

Addison-Luard Course and Wind Calculator type D
1920s

Simmonds-Goudime computor

Simmonds-Goudime computor

Simmonds-Goudime computor

Pollit's pipe calculator

Brass astronomical calculator
1848-1852

Lloyds Accumatic TM100 electronic calculator

"Elsimate" solar cell calculator

Sinclair "Cambridge Programmable" pocket electronic calculator
1977

Rockwell 24RD-II pocket electronic calculator
