-
"Consul – The Educated Monkey", 1916...
-
2 Calculating Games...
-
Olympia CD-400 Desktop Calculator, 1970...
-
"Hewlett Packard HP-97" Desktop Calculator, 1...
-
T-I-M (Time Is Money) Mod. 1, 1909...
-
"Kuli" Calculating Machine, 1909...
-
Original Odhner, c. 1905...
-
Brunsviga Mod. 14 Twin Calculator, 1958...
-
3 Calculation Devices...
-
"Feliks" and "Feliks M", 1935/1955...
-
2 Adding Machines...
-
American Adding Machine, 1913...
-
3 Spokewheel Calculating Machines...
-
Tim Unitas, 1912...
-
"The Brical – Money Calculating Machine", c. ...
-
"Antares" Cutaway Model...
-
Curta "Type I" Calculator, 1948...
-
Arithstyle, 1910...
-
3 Calculating Machines...
-
5 Early Brass Lenses, c. 1870–80...
