Vintage R.H. Burton Optical Trial Lens Kit with Trial Frame in dove tailed wood box including 2 keys. Measures 21.5" x 13.75" x 2.5". Trial frame is marked R&B Japan. The box has a plate on the fr

 

Up for your consideration is this RARE LOT of 2 different refillable pens for UROXATRAL AND CRESTOR, featuring rubber grippies, click style tops w/ large springs and pocket clips.. BLACK . . Both are

 

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

 

UP FOR AUCTION IS A SET OF TWO 1985 COLLECTORS EDITION PINS COMMEMORATING THE 1986 APPEARANCE OF HALLEYS COMET.THE ENAMEL, COLOR, CONDITION OF BOTH PINS IS EXCELLENT. THE RECTANGULAR PIN IS 1-1/8" x 5

 

DESCRIPTION:  WHAT YOU ARE BIDDING ON IS A VINTAGE METAL TRIANGULAR DRAWING RULER WITH A WESTINGHOUSE LOGO AND "BREAKER ABILITY... THE SCIENCE OF CIRCUIT PROTECTION", WRITTEN ON IT.  SCALES ARE SHO

 

Vintage 1959 Pickett Slide Rule Model N1010-ES Trig comes with original leather case Slide rule is in very nice, used condition. The center section slides fine and it was offset in the pictures to sho

 

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. .

 

Offered here is a new-old-stock wooden box side from a twenty five pound box of Du Pont High Explosives. Measures 13.25 x 8.0. Great display piece. Thanks for looking!

 

With brass ends and Paper A'Cuve wrapped. Made by Van Cort Instruments Ltd. in the 1980's. In very good condition and original box/packaging.

 

This is a small mercury recovery retort, designed to purify your mercury while separating it from your gold. Instructions for use.Work in an open well ventilated area with a breeze at your back when o