Operating Manuals & Related Materials
On this page are scans of some operating manuals and other calculation aids of the Bell Punch Company. If you have any more from Bell Punch and Anita I would be delighted to receive a copy or a scan for display here - please get in touch with me.
Operating Manuals
Mechanical Calculators
Sumlock "Comptometer" - Front, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12.
Desktop Electronic Calculators
ANITA Mk 8 (Mark VII) (pdf format).
ANITA Mk 9 (Mark IX) - Front, diagram, pi, pii, index, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p17, p18, p19, p20, p21, p22, p23, p24, p25, p26, p27, p28, p29, p30.
ANITA Mk 11 - Front, index, p3, p4, p5, p6 is blank, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p17 is blank, p18, p19, p20, p21, p22, end paper, rear.
ANITA 1000 LSI - Front, p3, p4-5, p6-7, rear.
ANITA 1011 LSI & 1011B LSI (pdf format)
ANITA 1000B & 1011B charging instructions - p1.
ANITA 1200P RANGE Operating Instructions (includes 1211P, 1212P, 1233P, pdf format)
Roland Huisman has posted a valuable selection of ANITA instruction manuals in pdf format at http://technischmuseum.nl/documentation/documentation%20files/Anita%20PDF/. Manuals included are those for the ANITA Mk 8 (in German), Mk 9, Mk 10, Mk 12, 1011, 1011 LSI, and 1011P.
Hand-held Electronic Calculators
ANITA 811 - Front, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, rear.
ANITA 831 - Front, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, rear.
ANITA 841 - Front, introduction, index, p2, p3, p4, p5, p6-7, p8-9, p10-11, p12-13, p14-15, p16-17, p18-19, p20-21, p22-23, p24-25, p26-27, p28-29, p30-31, p32-33, p34-35, p36-37, p38-39, p40-41, p42-43, p44-45, p46-47, p48-49, p50-51, p52-53, p54-55, p56-57, p58-59, p60, p61, p62, rear.
Related Materials
Mathematical charts
These charts provide conversion and other constants which eased calculations with mechanical and simple electronic calculators. Several of the premier calculator companies produced such charts, and Sumlock supplied a selection bound together in a book. Below is a selection:
Certificate
A certificate awarded for achieving the Required Standard of Efficiency as an Anita operator.
Grateful thanks to Lorraine Holmes for providing the copies of Charts 1 to 14 and the Certificate, and to Mary Crompton for providing the copies of Charts 25 and 26.
The Bell Punch Company & the Development of the Anita Calculator
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