This item has no wear on it, is in excellent condition. Fully functional.

 

1938 Treatment in General Practice by Harry Beckman MD , Publisher: W. B. Saunders Company, 787 pp. Worn and faded cover, faded spine, The back hinge is crack, pages Light soiling ,Page Edges toned wi

 

~ 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

 

Sodium perborate is a white, granular solid which decomposes in an aqueous solution to hydrogen peroxide and sodium borate. Active oxygen content 10%. Melting point is 63 degrees Celsius. It's used in

 

You are bidding on a used and fully functional MF-3000 melting furnace. We used this for a total of 4.5 hours between 6 different sessions. Both crucibles have been used for silver. This kit includes:

 

2 ALASKA GOLD NUGGETS IN 2 DWT. GLASS VIAL!WEIGHT OF THESE NUGGETS: 0.9 GRAINS OR 0.058 GRAMS!USE THESE PICKERS TO SEED YOUR OWN DIRT!PRACTICE PANNING WITH GUARANTEED RESULTS!CHECK YOUR SLUICE BOX OR

 

"BRAND NEW" IN ORIGINAL BOX AND PLASTIC . PICKETT MODEL#N-500-T HI LOG/LOG SPEED RULE. INCLUDES: NICE BLACK LEATHER CASE! AND REGISTRATION CARD. NOTE: THE OUTER SIDE OF BOX SHOWS ALOT OF STORAGE WEAR,

 

This is a, vintage, metal case, quad - folding, CHEMISTRY EXPERIMENT SET. It is from: THE A. C. GILBERT COMPANY. The instruction manual is copyright dated: 1960. There are five " Plastic Identificatio

 

Lot of 10 Uranium glass beads! These are good to safely test Geiger counters with. They also glow brightly under black light. Very fun items to give that science nut in you family! Most of my items fo

 

Vintage Russian Bakelite Barometer Hygrometer ThermometerMade in USSR 1960's Used: This Barometer in good condition. In some places there are a few small scratches. The scale is a little erased. ( see