-
Apple Macintosh II Computer, 1987ÿ90...
-
Cutaway or Demonstration Models of Calculatin...
-
2 Curta Type II Pocket Calculators...
-
Burkhardt-Arithmometer Model A, c. 1895...
-
2 Curta Type I and II Pocket Calculators...
-
Brunsviga Trinks-Triplex Calculating Machine,...
-
Mercedes Euklid Model 1 Proportional-Lever Ca...
-
2 Curta Type II Pocket Calculators...
-
Curta Type II Calculator (Light-Grey), 1962...
-
Thomas de Colmar Arithmom...
-
Million?r Calculating Machine, 1913...
-
Curta Type I Pocket Calculator...
-
Alpina Universal Calculator, 1961...
-
1 ?-Inch Scale Live-Steam Model of a Traction...
-
Working Model of a Horizontal Four-Stroke Ott...
-
Large Hot-Air Engine, c. 1920...
-
Hot-Air Engine, c. 1980...
-
Steam Engine with Boiler, Mid-20th Century...
-
Steam Engine Boiler, c. 1980...
-
Bing Live-Steam Traction Engine No. 10/117/1,...
