1903 Omega Calculator Adder Antique

1905 Omega Calculator Adder Antique

1908 Lightning Calculator Wood base in Case

1908 Lightning Calculator in Wood Base

1919 Wlecke Fingers Calculator (Only 5 Made)

1908 The Calculator in Case in Wood Base

1889 Webb Calculator model D & Directions

1889 Webb Calculator Adder model D

1889 Webb Adder Calculator model C

1929 Calculator Pencil by Ruxton Black

1929 Calculator Pencil by Ruxton & Directions

1929 Calculator Pencil by Ruxton White

Directions for 1929 Ruxton Calculator Pencil

1920 Addometer Calculator in Case Directions

1907 Golden GEM Calculator in Case Model 16

Ernst Martin “The Calculating Machines” Book

1908 The Adder Calculator Antique

1942 Trig-Easy Calculator Antique

1901 Calcumeter Calculator with Stylus

1950s Thales Calculator Model CER

1847 Calculator by Palmer and Fuller

1916 Consul Monkey Calculator Adder Repro

1890 Mindling Calculator like Stephenson

1890 Mindling Calculator like Stephenson #2

1970s Nuclear Bomb Yield Effects Calculator

1950s Nuclear Bomb Blast Effects Calculator

1951 Nuclear Bomb Radiation Dosage Calculator

Smart Monkey like Consul Monkey Calculator

1916 Consul Monkey and 2nd Smart Calculator

1800s Compass in Box by R M. Brandeis

1862 Stanley London Compass for Survey

1873 Lufft Barometer Altimeter in Case

1800s Opera Glasses Rose MOP w Case

1800s Mother of Pearl Opera Glasses in Case

1939 View Master with Hopalong & Snow White

Working Time Machine & Tantalus Box by Wells

Time Machine & Tantalus Box H.G. Wells

Knife by W. R. Case XX and 1 of 200 Antique

“The Microscopic Photographs” of J. B. Dancer