Key to the Steel Square by A.W. Woods, complete with black leatherette case, circular slide rule, and instruction manual. Originally copyrighted in 1902, this is the eighth edition which was printed i

 

ANTIQUE PATENTED FROM 1896-1903 THE LASTYEAR I CAN SEE ON THIS ONE..MEASURES ALMOST8 1/2" TALL BY 6 3/" BY ALMOST 4 1/4"NEEDS SOME POLISHING UP APPEARS TO WORK..SPRING STILL FUNCTIONS..GREAT OLD TIMEC

 

You're looking at an original Henry Troemner Peerless Oak Box Prescription Scale Class "B"! with original weights!!And as you see in the pictures it was inspected!! by authority on 2013!!this is an oa

 

...........From the estate of a Cambridge University academic, this excellent quality microscope looks to be in good condition, untouched for a while, so in need of a clean and overhaul............ J.

 

VINTAGE MEDICAL BINAURAL RUBBER & BRASS STETHOSCOPE DESCRIPTION: Offered to you is this vintage medical rubber and brass binaural folding stethoscope. The ear pieces and the hearing cup are made o

 

E. Leitz, Leica, Tubusl, 160mm Oel Immersion Microscope Lens and vial + 3 Other Brass vials, vials are slightly tarnished. Antique lens and case set, in very good condition for the age. Visit my store

 

Unusual Antique Jeweler's or Engraver's Magnifying Loupe Eyeglasses c1900 Description: This is an unusual pair of eyeglasses made into a jeweler's or engraver's loupe dating, I would guess, to the lat

 

THE ONLY WRITING I SEE ON THE SCALE IS TORSION BALANCE ON THE FRONT. IT MEASURES GRAINS AND GRAMS. GLASS, CHROME AND METAL. IT MEASURES 12" LONG BY 7" TALL BY 5.5" WIDE.

 

Lot of 1908 Vol 5 of the electric journal, a trade publication for electrical engineering and serious amateurs. This is all of Vol 5 all 12 issues, there are some minor condition issues with some, lig

 

Good early pine storage cabinet, 12 trays to hold six each standard size slides. All fitments in good working condition, a fine item.