Troncet's "Totalisateur"
- Materials:
- metal (unknown) , brass (copper, zinc alloy) , wood (unidentified) , paper (fibre product) and ivory
- Object Number:
- 1927-406 Pt1
- type:
- adding machine (stylus)
Troncet's "Totalisateur", complete with pencil-stylus; (size of instrument 4 3/4" x 6 7/8" x 3/16") in cardboard case.
Troncet's 'Totalisateur' complete with pencil stylus in cardboard case.This simple device was the earliest of a number of circular adding machines introduced at the end of the 19th century. The design is essentially that of the 17th century rotula.