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

 

History of science. This is a shanked microtome knifes with a rectangular blade and handle. Date ca 1880-1890. The knifes is stored in a flat black leather case lined in maroon velvet and red silk. .

 

PROPORTIONAL DIVIDERS by POST For Use in Craft, Art, Drawing, Drafting This PROPORTIONAL DIVIDERS is USED and comes in its original plastic case. Made by POST. No model number available. The dividers

 

RARE * VINTAGE * METEOROLOGICAL * VIZ A.I.R. INC. RADIOSONDE * USED * NOT TESTED MODEL IS-4A-1680CARRIER FREQUENCY 1690.000 MHz USED, NOT TESTED SEE PICTURES

 

this is a no reserve auction for a Vintage Glass Medical Iv Bottle Hanging Bottle ringers solution ( i guess ) incised in glass it reads the numbers up to 900 and 1000 2 rows and measures about 9 inch

 

Keuffel & Esser Vintage Survey Level, dating from the early 50's.

 

ANTIQUE MICROSCOPE SLIDE BY FLATTERS & GARNETT. DIATOMS. ARACHNOIDISCUS. 5 SPECIES SEE IMAGES FOR CONDITION. 2 SPECIMENS MISPLACED IMPORTANT: AS FROM 2ND APRIL 2013 THE ROYAL MAIL HAVE DRAMATICALL

 

THIS AUCTION IS FOR A RARE CURTA TYPE 2 CALCULATOR SER# 519951. AS YOU CAN SEE FROM THE PICS I HAVE THE ORIGINAL CARDBOARD BOX, MANUALS, ETC. THE CASE AND THE CALCULATOR HAVE A SLIGHT SCRATCH ON THE B

 

Contains Five Individual Whole Insect Specimens with superb descriptive Hand Written Labels !!

 

FOR SALE IS A VINTAGE TELEDYNE EMESCO 90N DENTIST DRILL, 22,000 RPM, THE MOTOR RUNS SMOOTH THIS WOULD BE GREAT FOR THE HOBBYIST OR JEWELRY MAKER VERY GOOD MACHINE. SEE PHOTOS FOR DETAILS. WILL SHIP OV