-
28 Slide Rules...
-
7 Quick Adding Machines...
-
"The Millionaire" Calculator, 1893...
-
"Tasma Mod. C" Adding Machine, c. 1930...
-
Russian Original Odhner Mod. 1 (Arithmometer)...
-
Burroughs Class 2 Duplex Calculating Machine,...
-
"BriCal - The British Calculator Mod. 2" (!!)...
-
"The BriCal - Money Calculating Machine", c. ...
-
Russian "Original Odhner", c. 1905...
-
Thacher's Calculating Instrument, 1881...
-
14 Calculating Tools...
-
Calculating Drum "Loga", c. 1930...
-
"Certa" Adding Machine...
-
"Diera", 1906...
-
"Adix" (Model 1)", 1903...
-
"Thomas' Arithmomètre", c. 1876...
-
"X x X", 1906...
-
Collection of 11 "Abacus"...
-
4 Logarithmic Calculating Devices...
-
3 "Mercedes Euklid" Electrical Calculators, c...
