-
"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...
-
"Ensign" Regular Telephoto Lens, c. 1900...
-
Shepherd Petzval-Type "Carte de Visite Lens",...
-
Petzval-Type Portrait Lens by Horne & Thornth...
-
13 Lenses by Aldis, 1901 onwards...
-
5 Brass Lenses from England...
