DESCRIPTION:  WHAT YOU ARE BIDDING ON IS A VINTAGE METAL TRIANGULAR DRAWING RULER WITH A WESTINGHOUSE LOGO AND "BREAKER ABILITY... THE SCIENCE OF CIRCUIT PROTECTION", WRITTEN ON IT.  SCALES ARE SHO

 

Up for sale is a Concise Slide Rule Model #28n. It still has the original case and manual. Sold as is.

 

Item is approx 75 years old. Hardly used.

 

For sale here is a David White Co. 6061 Balloon Theodolite. The plate says No. 91024. Olive green in color and comes with wooden storage/transport box. Box is sturdy but has many scratched, nicks and

 

If you collect or restore old radios, crystal sets, early scientific apparatus, vintage test equipment, military surplus, or other unique old technical items, keep me on your favorite seller list. I a

 

PROSTHETIC GLASS ACRYLIC HUMAN EYE EYEBALL #43 NR! Click to Enlarge Click to Enlarge Click to Enlarge I will be listing fifty of these all on separate auctions, all starting at .99 cents and free ship

 

IMPORTANT-PLEASE READ BEFORE PLACING ANY BIDS!: IF THIS ITEM IS MECHANICAL OR IS SUPPOSED TO MEASURE SOMETHING WE DO NOT KNOW IF THIS IS IN WORKING CONDITION, UNLESS WE POST OTHERWISE, CONSIDER THIS A

 

This is a Hilger Watts Tripod in good working order. This tripod has a bubble fitted to the top for a speedy set up. If you have any questions please do not hesitate to contact me.For Buyers outside o

 

BOSCH & LOMB MEASURING MAGNIFIER WITH LENSES ***DESCRIPTION*** BOSCH & LOMB MEASURING MAGNIFIER CATALOG NO 81-34-35 THE 7 POWER MAGNIFIER COMES WITH 4 INTERCHANGEABLE LENSES 1. GENERAL PURPOSE

 

Dietzgen Co 1667BP Triangle Ruler & Alvin No. 241 with Cases Two nice vintage engineering triangular rulers Shipments whenever possible will be made within one business day. Payment must be made v