Relay 151 bamboo slide rule with case in good condition, see all photos for detailed views. "Scientific Instruments Co." is printed on the edge, that was probably the US distributor. Cursor moves free

 

For auction here is a VINTAGE BRASS THERMOMETER made as a ships steering wheel...aprox size 3 inches diam plus 1/2 inch long spokes x 2-1/4 inch diam base which is embossed...marked on face made in en

 

Hello, you're looking an an Alvin 961 beam compass, made in West Germany. This was purchased in 1968. All appears to be in good condition. Please see my other auctions for related supplies. Thanks for

 

Old pocket Barometre Holosterique marked on the dial and on the back HPBN (Naudet Pertuis Hulot ) Diameter 2" Conditions as you see in the photos: not used for many years, to be revised and cleaned At

 

A very rare and unusual object 150mm/6" Etched Circuit memory Device Wafer – this CAN be yours!! It is very difficult to photograph this object as it is so shiny but here is what it is:- · 150 mm d

 

PICKETT N3p pocket synchrolog DUAL BASE LOG/LOG EXPONENTIAL SPEED RULE All-metal construction. 32 scale sections. Mint condition leather case with comprehensive 95 page manual (from 1953). This was Pi

 

FROM A LOCAL ESTATE. 6 1/2" ACROSS. EXCELLENT WORKING CONDITION. THERE IS NO NAME ON IT. NO RESERVE.

 

VINTAGE PICKETT INDUSTRIES 10 PIECE ELLIPSE SET WITH ORIGINAL VINYL POUCH VERY VERY NICE CONDITION!

 

Vintage McAllister & Brother Brass Microscope with wooden case. Posted with eBay Mobile

 

German Kaleidoscope Viewpoint marked Silverplated Phillipi Design 14 cms long boxed Very good condition Shipping and handling cost Wordlwide by prioritary registered air mail is $10 USD It will be sen