A saccharometer was an instrument designed to calculate the suger content and thereby the potential alcohol of wine or beer. This value was essential when calculating the amount of duty. In early year

 

Here is a vintage Audiometer from Zenith. It is a model #ZA-113A, and seems to be intact and complete. With the metal case in the closed position, it measures about 12 1/2" x 9 3/4" x 7 3/4". I have n

 

Vintage 5" dia. Bausch & Lomb Opt Co USA magnifying glass 4-1/2" blk handle Glass has a 4-1/2" black plastic 8-sided handle, glass rim looks to be stainless steel and marked "Bausch & Lomb Opt

 

YOU ARE BIDDING TO BUY AN OLD PAIR OF BINOCULARS IN A CASE (VERY SHABBY).BINOCULARS HAVE THIS WRITTEN ON,"THE AUTOMATIC SIGHT TEST AND OPTICAL SUPPLY CHANCERY LANE LONDON" WE DO COMBINE POSTAGE. P&

 

BLASTING GALVANOMETERU.S. ARMYModel E-80GRAY INSTRUMENT Co., Philadelphia, Pennsylvania4" x 3"I have no way of knowing whether the galvanometer works or notCondition as shown in the photos. Normal 0 f

 

here we have a good antique-old miners bucket and a Edison cap light. the bucket is in ok-good shape with wear, dings-dents, discoloring and very worn stickers.NO HOLES IN THE BOTTOM. it is a 3 piece

 

Antique Microscope Slide. Under Feather of Pheasant. See images for condition: Excellent. SHIPPING CHARGES UK; £4.50 (UP TO £50.00 VALUE. SENT VIA ROYAL MAIL 2ND CLASS RECORDED) £7.30 (OVER £50.00

 

betterthangoodstuff99 Store VICTORIAN MAHOGANY BAROMETER WITH INLAID MARQUETRY DESIGN WORKING c1890.  HERE I HAVE A GOOD VICTORIAN MAHOGANY CASED BAROMETER WITH INLAID MARQUETRY DESIGNS IN WORKING OR

 

This is a medicine case complements of the Lydia E. Pinkham Medicine Co. and a Pyrex tube with cork. The medicine case contains three glass tubes with cork stoppers. It measures approx. 2 5/8" and the

 

Here is a nice Springfield thermometer on a wood plaque with a AEP Appalachian logo.This is a great advertising collection for the Appalachian power company.The plaque is approximately 8 inches tall a