Absolutely superbly engineered scientific instrument dating back to late 19th Century, early 20th Century. Stainless steel of highest quality. Intricate, delicate and accurate. By opening the instrume

 

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

 

jamesjolicoeur Store This display is named Lilly. Used in a doctors office to explain behaviors for patients. It's an electrical item powered by four double a batteries and lights up along the spinal

 

This is a nice collector piece... with some history. This Transit belonged to Arthur Eber Sherman, Decorated WW11 Vet, engineer (this was his survey equipment) and member of the Aryan Nations in North

 

e-bayers, you are now bidding on an L-1 (size 7-1/4 lace in liner) vintage msa comfo cap, complete with liner and light cord snap, in near mint condition, very few lite scratches, the liner is in good

 

You are bidding on one Concise slide rule made for SST Corporation. Both plastic case and slide rule are imprinted with SST logo and LA address. This model 28 slide rule has a yellow inlay around rim,

 

This Drafting Table is dated Nov 10th, 1872 from the WASHBURN MACHINE SHOP Institute of Industrial SCIENCE. 

 

Cenco adjustable spark gap by Central Scientific Company. Ask questions and look at pictures. All items are sold AS IS, All sales final, No returns so please bid accordingly. Buyer pays shipping, hand

 

ANTIQUE MICROSCOPE SLIDE. GEOLOGY. TRACHYTE, GREY GRANITE. PUY GROS, FRANCE. SEE IMAGES FOR CONDITION. EXCELLENT. I HAVE HAD TO RAISE POSTAGE COSTS DUE TO INCREASED TARIFF FROM ROYAL MAIL. I WILL CONT

 

Theodolite- is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes