Vintage calculator "adding machine", Mechanical plant V. T. Ornery, St. Petersburg, early 20th century

Vintage calculator "adding machine", Mechanical plant V. T. Ornery, St. Petersburg, early 20th century
The adding machine,
Russia, mechanical plant V. T. Ornery in Saint-Petersburg, early 20th century,
brass.
Rare.

Adding machine — laptop or desktop mechanical calculating machine used for the accurate addition, subtraction, multiplication, and division.

Size: height. 11.5 cm, Ref. 16,8х14 cm
Material: brass
Russia: Sciences of the 20th century
AddressLavka-Antiques3. Donskij proesd 1115419 MoscowRussia
Contact details+8 (926) 12-838 568 (925) 505-49-69
Conditions of purchase
Business hours Mo    10:00 - 19:00    Tu    10:00 - 19:00    We    10:00 - 19:00    Th    10:00 - 19:00    Fr    10:00 - 19:00    Sa   closedSu   closed