This is a super clean Post brand slide rule. It is a Hemmi Japan Versalog 1460 and is 12 1/2" long and the leather case is in great condition with very little wear and has the clip hanger. .

 

Hi, the item being offered is a swirled Blue with Alabaster Catalin Bakelite Taylor Thermometer and Humidity gauge. This colored version is usually seen with dark age patina on it, but I've restored i

 

Large Bottle of Red Recording Ink for Barographs and Thermographs Graphic Controls Corp. #134 Size not given on bottle, but weight of full bottle is 24 ounces. Maybe 1.5 pints? Has been in storage for

 

Up for auction is this vintage Dietzgen Topographic ( Abney ) Level. This is used to measure percentage of grade elevation by sighting a target at the same level from the surface as the viewer's eye.

 

Here is a recent estate sale find ... up for auction is this Vintage Keuffel & Esser (K & E) Compass with Level, Solid Brass Case with Folding Arms and the Brass Tripod Adapter. The compass me

 

Today i have for sale a great 1960's mining safey sign . this one is porcelain enameled blue and white. it read no admittance except to employees on duty. this sign was made in pittburgh pa. this is a

 

Vintage COAL MINING MINERS SAFETY LAMP KOEHLER NO. 203 PERMISSIBLE ROY GOSSET This is a vintage KOEHLER PERMISSIBLE SAFETY MINING LAMP NO. 209. It has the tag of the person ROY GOSSET attached to the

 

Here is a ship's clinometer , The center needle can show 90 degrees on port and starboard , two red needles for reset . The glass dia. 19.5 cm. The dial also show : EIWA SKEIKI CO., LTD. OSAKA . It's

 

Slide rule, in used condition. Leather case has some pencil marks on the inside, and initials carved on outside. If your initials are J.C. B. you're in luck. Slide rule needs a little cleaning.

 

Very nice K & E Slide Rule with hard shell case, not many like this and am sending a couple slide rule manuals. Look at pictures and questions, just email. Shipping is $5.00 anywhere in the U.S.