10 inch Deci Lon slide rule 688 1100. The slide rule itself is in great condtion. The leather case has residue from a sticker that was on it, has belt loop clip. USA shipping only unless prior authori

 

15 piece Gold Panning Kit Includes: 1 - Sifting Pan : 1/2” Mesh Size 1 - Sifting Pan : 1/8” Mesh Size 1 - Sifting Pan : 1/20” Mesh Size 2 - 14" Heavy Duty Green Gold PanThe green color will cont

 

This is a vintage engineering tape measure called Favorite Wyteface. Made by Keuffel & Esser, the burgandy textured vinyl case measures 5" in diameter. The 100 ft white steel tape inside remains i

 

Vintage Swift Compensated Barometer in good condition & working order. Measures: Round 7", Deep 1.5". Please zoom-in the pics for closer details. Thank you. International Bidders - pay for interna

 

This is a small vial with antique radium gauge parts inside it. Unlike other rad tester items, it is very small, and fully sealed (potted with epoxy) so the radium will not get out. It is strong enoug

 

ANTIQUE MICROSCOPE SLIDE. DIATOMACEAE. ACTINOPTYCHUS UNDULATUS. BIRD ISLAND GUANO. SOUTH AFRICA. SEE IMAGES FOR CONDITION. EXCELLENT. VERY CLEAN EXAMPLE. I ALSO BUY ANTIQUE MICROSCOPE SLIDES. VISIT ww

 

I have up for auction is an old wooden lockable Microscope box. It is in very good condition, the wood has no chips or separations in it. I do not have a key for the lock, but they are easy to find. I

 

Here's a very nice little lot of 5 vintage tweezer-looking things. I believe they are ophthalmic forceps as their double point ends are very small and delicate. They come in this nifty wooden box that

 

Up for auction is a very good example of a vintage physician's license plate topper. This topper is still in it's original box with the instructions and original hardware. The topper frame is made of

 

A unique kaleidoscope from Van Cort. The wooden egg shaped kaleidoscope is highly polished and 2" tall. It is in excellent used condition and sits on a 2" tall brass stand. Thanks for looking!