This is a vintage Acme no. 601 DIWA Slide ruler that is in used condition. It has the original leather case, cardboard box and instructions.

 

Antique wooden slide rule made by Keuffler and Esser Co. of New York. Patent 1,934,232. I'm told these are from the 1930s and I believe the 38 reference on the leather case refers to the individual's

 

I smashed my thumb too many times to count! Ever had a small ore sample you tried to breakup with your hammer on the trailer hitch of your truck or on another larger rock and hit your self or had flyi

 

ITALIAN LARGE ALBARELLO OR APOTHECARY JAR "DIA CAFFIA AD CLIFTERI" THE MEDALLION RAPRESENTED ON THE JAR HAS AT ITS CENTRE THE IMAGE OF A JESUS THE WHOLE RAPPRESENTATION IS INSCRIBED IN AN ELABORATE PI

 

12.00 Curta Universal Calculator Cortina Type 1 Curta Calculator in Enamel Metal Case, Original Mailing Box, Instructions and Guarantee. The calculator is in very good condition. Very clean looking. M

 

This set was made by the Keuffel & Esser Co. You are buying as is, although I believe it is a complete set. Ask me. great condition, from a no-smoking and pet-free home. I ship fast.

 

You are bidding on one 3" survey compass. the compass has a sighting system for measuring azimuths and a incline meter for measuring grades in inches per yard. The compass is in very fine condition, I

 

Qty. 6 Vintage Justrite Jewel Tips 5-128 for brass carbide mining lamps. In original box which is old, yellowed, fragile, has 2 short end flaps on the box missing and has an old price wrote on it by h

 

Old BARIGO pocket barometer, made in Germany in excellent condition. 2 1/4 in. across X 3/4 in. thick. No scratches in top see through covering. The barometer case bottom has a few hardly noticeable h

 

Here are four vintage pair of 1/10 12K GF eyeglasses for scrap or wear. They weigh approx. 92.7 grams. Thanks for looking at our other auctions!