This is the famous plastic blue bowl gravity concentrator designed to work forever with no moving parts. Comes with water flow control valve & the supports to place it on your bucket. You can also

 

You are buying a 5pc classifier sifting pan set. You get 1/2", 1/4", 1/8", 1/12" and 1/20". Bucket not included. Features include: * Size: 11" diameter bottom * Top diameter 13-1/4" * 304 stainless st

 

Here is a lot of Mathematical devices, Calculators, a Faber Castell Slide Rule Made in germany and a Casio Electronic Calculator For Parts Only. The Slide RUle Is Functioning!

 

A genuine and authentic sternum bones consisting of corpus sterni, manubrium sterni and 4 costae from a male skeleton from the early 1900s These are not cast nor plastic, but genuine human bones used

 

Nice Old Nautical Style wood and brass mantle clock and weather barometer.Clock takes a battery.Can set in wood base or its pre-drilled to mount.Name of Hampton on clock,clock is quartz movement.Nice

 

Ornate Hand Magnifying Glass Good condition, still boxed. Made by E.P.N.S. Wares, India. 10" long, glass 4" dia. Please note non UK mainland and international postal charges will vary from the standar

 

Vintage "Tower" Drafting Kit Made in Germany Still has lead in the refill case. This was used by my dad in the early 1960's. Please ask all questions before bidding. Posted with eBay Mobile Posted wit

 

You are buying ONE (1) soft cover book, staple binding, color lithograph color, 90 pages, all on glossy magazine stock paper. Things to Make with Dry Batteries, By the Burgess Battery Co., 1939.

 

In original box, by Bernell Mfg., So, Bend Indiana, an old eye test kit for testing school children back when. All accessories and original paperwork. Buyer to pay shipping.

 

vintage brass transit really neat great collectors piece has some wear selling as is untested has a number on it 12393 where the compass is in good shape