Only 3" long this kaleidoscope is made of brass and fits cleanly in pocket or purse. It is constructed differently than typical kaleidoscopes. It doesn't tumble colored glass fragments in a compartmen

 

Precision Slide Rule Faber Castell NOVO-BIPLEX 2/83 N Made in Germany WITH CASE!In good used condition, shows some wear from normal use and some discoloration. Nothing to take away from function. Come

 

Rare Antique Yellow Tinted Glass Horn Cased Folding Lens Loupe Click the photographs to enlarge. Colours may differ due to any flash used. I combine lots so please wait for my invoice BEFORE you pay.

 

Up for auction is a huge lot of drafting supplies and templates. There are 45 pieces in all. Names included are Koh-I-Noor, Staedtler, Berol, Pickett, Bishop, Timely, K and E, Rapid Design & Alvin

 

i000000 Vintage Cased 12" Slide Rule 'THE TECHNICAL STANDARD' Click Images to Enlarge You are bidding on a vintage Cased 12" Slide Rule, 'The Technical Standard' in good condition. Photos tell the sto

 

MADE IN GERMANY K & E DRAFTING,ENGINERING TOOLS.=KEUFFEL-ESSERHAS EXTRA PARTS IN ONE TUBE AS SHOWN. SELLING AS IS SHOWN WITH CASE MADE IN GERMANY ALSO.SHIPPING WEIGHT WOULD BE 3 POUNDS.WE ACCEPT C

 

1-In good condition with clean lenses a microscope Objective marked on the Body C Baker London 3 inch.In a brass case that is not its original but marked W Johnson 1/10 in 188 Totenham ct rd. Part of

 

Good Working condition. Expands with ease. Itwas a family members so I do not know much about it. All parts in working order.

 

This is a pair of antique brass framed extending spectacles / sun glasses with folding arms and they date to around the late 1890's - early 1900's. The spectacles measure 5 1/4 inches across the front

 

Vintage Arithma Addiator Made in Germany with original stylus, instructions, case and original box 6" x 1 1/2" Harrison Home Products Corp. "World's Smallest Precision Adding Machine!!" (For its time!