Collection of three mechanical hand calculators.
1930-1940
Circular calculator - computer bombing angle Mk 2.
Course and Speed calculator
Circular VT (variable timing) fuze setting calculator
Mechanical aircraft course calculator from Germany
Airborne photographic exposure calculator
Dew point calculator
IME 86-S electronic calculator
1968
Sharp EL-512 scientific calculator
Toshiba Toscal BC-1621 desktop electronic calculator
Casio electronic calculator model AL 2000
Burroughs EA2000/EA2101 printing calculator
Olivetti Logos 41 printing calculator
Unicom 202/SR Electronic Pocket Calculator
1974
Sinclair Oxford Universal Five Function Electronic Pocket Calculator with memory
1975
Electronic calculator
1980-1989
Hewlett Packard HP 46 electronic desktop printing calculator, c. 1973.
1973
IME 84 electronic calculator with auxiliary memory and handbook
Hanimex pocket electronic calculator
Schickard Calculator (Replica)
1992
Casio AL 1000 Desk top Electronic Calculator
1965-1970
VISTAMATIC LIGHTNING (POCKET) PAPER CALCULATOR by The Vistascreen Co. Ltd.
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.
Sectioned Sinclair Executive pocket calculator
1972
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
Simmonds-Goudime computor
Fuller calculator
German wind and course calculator.
German circular aircraft course calculator.
True airspeed mechanical circular calculator.
Prototype unit for TOF (time of fall) calculator model B
Calculator for determining voltage
Mechanical course and speed calculator, Mk 11A.
German aircraft circular navigation calculator
Wind and Navigation Calculator MK 1.
NCM Busicom 161 electronic calculator
1970/1
"Elsimate" solar cell calculator
Lloyds Accumatic TM100 electronic calculator
Sharp Compet model CS-10A electronic calculator
Canon 161 Electronic calculator
Texas Instruments Programmable 59 electronic calculator
1977
Sinclair "Cambridge Programmable" pocket electronic calculator
1977
Rockwell 24RD-II pocket electronic calculator
National Semiconductor 852 pocket electronic calculator
