1903 Omega Calculator Adder Antique

1894 Century Magazine Hard Bound with Tesla

1907 Baby TIM Calculator in Wood Case

1860 Thomas de Colmar Original Arithmometer

1900s Finger’s Calculator (Only 5 Made)

1784 Sackbuch German Calculator Antique

Ernst Martin “The Calculating Machines” Book

1845 Palmer’s Pocket Scale Calculator & 2nd

1881 Bunnell Telegraph Key & Relay KOB

1907 GEM Calculator in Case Antique

1907 GEM Calculator in Case w Directions

1901 Calcumeter Calculator in Box

1909 TIM Calculator Model III

1830 Harrison Coin Scale Counterfeit Detector

1918 Pocket Calculator by G. Small Antique

Smart Monkey like Consul Monkey Calculator

1916 Consul Monkey Calculator Adder Repro

1890 Mindling Calculator like Stephenson

1840 Dry Pocket Compass by R. Merrill Antique

1862 Stanley London Compass

1720 Dry Pocket Compass by Samuel Rolfe

1700s Wood Compass like Jefferson

1840 Pocket Dry Compass

1941 WWII British Marine Medal with Compass

1800s Rail Road Signaling Lantern

1873 Lufft Barometer Altimeter in Case

1900s Telegraph Key & Receiver by Parkin

1937 Siemens 1000 Volt Cable Display

“The Microscopic Photographs” of J. B. Dancer