This set was made by the Keuffel & Esser Co. You are buying as is, although I believe it is a complete set. Ask me. great condition, from a no-smoking and pet-free home. I ship fast.

 

Fuji Darmstadt Special No.1200 slide rule and original case+instructions in finnish. Also with original box ! Please see my other slide rules,I combined shipping.

 

N600-ES Speed Rule with case Used. Ruler itself is in great shape. The leather case is a bit rough. When you pull on the tab in back it does pull the ruler out about 1-2 inches - so that is working. I

 

THIS ITEM IS A BOGART COAXIAL MICROWAVE DIRECTIONAL COUPLER 2 to 4GHZ - 20DB MODEL 881714-4 SERIAL NUMBER 95 MADE IN U.S.A., BROOKLYN, N.Y.

 

peterman69 Store W.H Harling Mathematical Instrument Set - High Quality Victorian Set - 14 Photos W.H Harling Mathematical Instrument Set Made In England High Quality Antique Set This auction is for a

 

This is model no.316 and includes a really neat handheld microscope. Excellent condition. FREE S/H!!....US only, please

 

Very nice K & E Slide Rule with hard shell case, not many like this and am sending a couple slide rule manuals. Look at pictures and questions, just email. Shipping is $5.00 anywhere in the U.S.

 

Comes with extra erasers! Runs Great!

 

We bought out the estate of a retired prominent Jeweler who had a shop in Bethlehem Pennsylvania for many years, retiring in the 1970s and has since passed on. In addition to his stock of Jewelry repa

 

Size is 29"x35" with the wooden dowels adding a few inches to top and bottom. Paper on linen backed scientific chart. Made by Hagemann Company; Drosophila sex-linked II (criss-cross). There are 2 smal