PICKETT N3p pocket synchrolog DUAL BASE LOG/LOG EXPONENTIAL SPEED RULE All-metal construction. 32 scale sections. Mint condition leather case with comprehensive 95 page manual (from 1953). This was Pi

 

Lot Of Vintage 1930's Lab Glassware, Chemistry Equipment 36 pieces NICE OLD LOT

 

Estate find ....nice condition brass and wood...reg.78.00On Jun-04-14 at 17:37:10 PDT, seller added the following information: Colors are red,green,teal,purple,,clear

 

measures 27 cm long , and 10 cm wide in diameter , this is new , NOT old blemish marks on bone parts , please see photos , any questions please ask , i have lots of other items listed .. ..please see

 

Kind of a puzzling item, have had a bunch of opinions as to what this was actually used for, I think it was a tool used in the medical field, designed to create suction when placed on body part to pos

 

OFFERED FOR BID IN THIS AUCTION IS A NICE OLD POST 1441 SLIDE RULE MADE BY FREDERICK POST CO. 1441 HEMMI JAPAN THIS SLIDE RULE IS IN EXCELLENT CONDITION, IT DOES'NT LOOK LIKE IT HAS BEEN USED MUCH - I

 

Stannous chloride is a white, crystalline solid having a density of 3.95 and a melting point of 247 degrees Celsius. Soluble in water and alkalines. It's uses include - ceramics, sensitizing agent for

 

Here is a very, VERY nice vintage and original true double marked Ernst Leitz Wetzlar microscope, in it's original carrying case! Leitz Magnification lenses: Leitz Pariplan 10x & 6,3x B, 3,5: 1A 0

 

Vintage USSR glasses retro hearing aid assistance Электроника WORKS WELL Good collectible choice.Dear Customers, you will receive exactly the same item which you see on the pictures, not si

 

Transit Scope great for a collector or as a statement piece. Seems to be intact although I am not familiar with this type of piece (see pictures for details). The only text on the scope is "Chicago &a