VINTAGE EXTREMELY RARE EDWARDIAN CAMERA LUCIDA BY "ALEX ALEXANDER".THIS FINE QUALITY INSTRUMENT WAS MADE BY ALEX ALEXANER OPTICIAN TO THE KING EXETER,A SPECIALIST OPTICIAN AND SUPPLIER OF OPTICAL SCIE

 

A useful collection of mainly Microscope Accessories to include a Bullseye Stem & Stand (minus its Lens ) .. Lens Accessory .. Reflecting Mirrors .. Lens Cannister and other bits and pieces. Plus

 

New Old Stock British Premier spare carbide lamp base . It is in great shape . The base has never been used . Good Luck Steve

 

UP FOR AUCTION IS THIS COAL MINERS MINING MSA PERMISSIBLE METHANE SPOTTER DETECTOR WITH CASE. THIS UNIT IS BEING SOLD AS A DISPLAY UNIT OR FOR PARTS ONLY, & AS IS. THERE IS NO CHARGER WITH IT. A S

 

FRANKLIN MINT BRASS ASTRONOMICAL ASTROLABE 1987 Rarely seen for sale on e-bay, the last two I could find were in the U.S.A! Excellent condition, all parts moving smoothly. 　 OFFICIAL ISSUE OF THE NA

 

Offered here without reserve is this truly rare spiked tommy. While normally associated with mining, the unique gimbaled assembly (in fully working order so that the candle is unaffected by the angle

 

This is a very early antique slide rule. Frederick Post Co, #1441. This is a smaller version of 4". Previous owner has inscribed name on back of slide rule as well as inside and back of leather case.

 

Vintage French Round Tortoiseshell Glasses in Case Pair of vintage c1930s French faux tortoiseshell glasses in very good condition They are in their original case and have normal light age/use wear wi

 

Offered here is a 1935 letterhead and brochure from the Denver Equipment Company regarding their Denver Unit Flotation Cells. Two sided flyer well detailed, illustrated with photographs of how this mi

 

A genuine and authentic sternum bones consisting of corpus sterni, manubrium sterni and 4 costae from a male skeleton from the early 1900s These are not cast nor plastic, but genuine human bones used