Réunion de six calculatrices

Meeting of six calculators
- Addiator desktop calculator on inclined cast-iron stand, with two styli
13 x 27 x 21 cm
- A sheet metal calculator by Seidel & Naumann signed "Sun", with stylus
L. 21 cm
- An Addometer sheet metal calculator, signed "Taylor's 74 Chancery Lane London".
L. 29 cm
- A silver-plated Comptator calculating machine
L. 20 cm (in box)
- Otis King's pocket calculator by Carbic Limited London, in box with instructions
L. 15.5 cm
- A Brunsvigra "System Trinks" calculator by "L. NEUMAN & Cie à Paris", in box
14 x 32.5 x 16.5 cm
20th century
Enclosed: a silver calculator plate inscribed "Invention du Sieur Martin, Auteur du Régulateur Universel" and signed "Baron F. P. Royal à Paris, 1820".
Restoration period
5.8 x 8.8 cm