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Magic brain' calculator. C.1955
Magic brain calculator in tin and plastic, with stylus and instructions
Brical British calculator
"Bri-cal" adding machine by, The British Calculators, Ltd, in case; adds from 1/2d to #500, two bone styluses
Stylus-operated adding machine DA 702
Stylus-operated adding machine DA 702, with battery powered warning light and double tape recording rolls, serial no.E-X 1031, with French instruction booklet and spare tape roll
'Addiator' calculating machine, c 1924.
"Addiator" calculating apparatus, with stylus and pencil (in one piece); capacity 9 figures; decimal: mounted on metal stand
Baby Calculator', c.1960.
`Baby Calculator' stylus adding device by Glenview, Illinois, USA, c. 1960. With suede pouch and steel selector
Scribola stylus-operated adding/printing machine
Scribola stylus-operated adding/printing machine, by Ruthardt & Co., Stuttgart, in fitted case
GEM calculator, 1890.
"Gem" calculating machine, J. Guthrie's patent No.15062, 1890
Tasma electric adding machine with printer
Tasma electric adding machine with printer, 10 column stylus-operated keyboard, serial no. 158550, German
Adding machine, circular, stylus operated, 2 5/8" diameter mounted on 3" square metal plate, (German patent D.R.P. 335921)
Adding machine with stylus
Adding machine with stylus, made by J.Sauter, Esslingen, Baden-Württemberg, Germany