~ PICKETT N3-T POWER LOG EXPONENTIAL SLIDE RULE ~ Offered here is an estate-found, vintage Pickett slide rule. The slide rule is in excellent condition and appears to have seen light use. There is a b

 

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

 

If you collect or restore old radios, crystal sets, early scientific apparatus, vintage test equipment, military surplus, or other unique old technical items, keep me on your favorite seller list. I a

 

New Keene 4" Suction Hose Dredging Tip Part # ST4 & New 4" Slip On Creviccing Tip

 

Up for sale: Vintage Kaleidovisions Hand Made Kaleidoscope Set w/Box & 6 Interchangeable Ends. This beautiful kaleidoscope set is hand made by Mark and Carol Reynolds from Austin TX. Comes with ha

 

UP FOR BID WE HAVE A NICE LOT OF VINTAGE DRAFTING PENS. THIS LOT IS IN GOOD CONDITION. I DO NOT KNOW HOW TO WORK OR FILL THE PENS SO I DID NOT TRY. THE LOT IS AS FOLLOWS KOH-I-NOOR RAPIDOGRAPH SET - 3

 

Charles Bruning Wallace DRAFTING MACHINE Vintage Model No. 2699. This was bought at an estate sale where it looks to be in good condition. It is huge and heavy. Comes just as you see in the pictures.

 

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

 

Miniature very early 1835 Bourgogne antique microscope of a claw.Consisting of two slides held together by balsam. Highly reactive to polariscope and selinite. Excellent condition slight wear to label

 

Sans & StreiffeThis auction is for a Sans & Streiffe No. 310 Bamboo Slide Rule w/Case, Box, and ManualIt is in excellent gently used condition. The manual cover is torn and box has wear.No.310