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

 

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

 

ANTIQUE MICROSCOPE SLIDE BY W.A.FIRTH. DIATOMACEAE. AULACODISCUS MARGARITACEUS. FROM MERILLONES, BOLIVIA. FROM THE COLLECTION OF J.G.BRADBURY. SEE IMAGES FOR CONDITION. EXCELLENT. I AM LISTING MORE AN

 

This sale is for an Early 1900's VINTAGE METAL MEDICAL HOSPITAL OPERATION INSTRUMENT TABLE BEDSIDE TABLE TRAY that TILTS and has ADJUSTABLE HEIGHTS. This bedside hospital tray is from the E.H. KARRER

 

Developed during WWII to test visual acquity for the military by the remarkable Dr. Isreal Dvorine, these color plates were painstakingly developed, tested and re-tested to accurately detect, classify

 

Poly phase Duplex Slide Rule. The owners name is on the box H.A. Dohertry. Pat. Dates June 5, '00 Dec. 22 '08.The box is in good condition outside. Inside area where you take the cap off, cardboard is

 

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

 

In very good condition. Comes in a good box except missing one spring specimen clip. See pictures. 15X, 30X and 45X. Check my other listings. I will gladly combine shipping. Payment is required within

 

jamesforbes Store This is a terrific 8 inch high (including lid) glass apothecary bottle which was made by the York Glass Company.It is in a used condition with the label being rather grubby and the g

 

This auction is for a Lutz lettering set,no. 18. It comes with original box. The ink is probably not any good. Looks like a part in the front spot may be missing. USPS shipping can be calculated on th