Slide rules are new in box. They include everything shown in the picture. Leather case, instructions, cardboard storage box. Only shipping to U.S. addresses. No international bidding.

 

In brass, no maker's name but typically 19th century well made, a small student's microscope, in fitted mahogany carry case, brass fittings, with original brass tweezers, slide holder, three part obje

 

Beautiful Stained Glass Kaleidoscope. Gently used and stored in a curio cabinet since purchase. Sticker reads Made in Mexico. Samples of views are attached. Posted with eBay Mobile

 

This is a newly crafted vintage style tumble chamber kaleidoscope created in my studio in the Black Hills of South Dakota. It is a one of a kind cast solder and art glass dry chamber kaleidoscope. As

 

Here we have a very old and rare Eppley Pyranometer solar radiometer It is used for measuring solar radiation in watts / square meter It has the calibration tag to convert milivolts to watts/square me

 

Vintage Arithma Addiator Made in Germany with original stylus, instructions, case and original box 6" x 1 1/2" Harrison Home Products Corp. "World's Smallest Precision Adding Machine!!" (For its time!

 

Up for bid a great set of slide rules including 1965 STERLING DECIMAL-TRIG MULTI LOG SLIDE RULE W/ CASE made in U.S.A. 1960 PICKETT ALL METAL MODEL N3-ES LOG EXPONENTAL SLIDE RULE with leather case an

 

This 3" wide ceramic crucible is great for refining or melting down gold or silver. It has a flat spot on the bottom, so it won't roll when you sit it down. This is a fantastic price on these, and inc

 

Offered here is an original vintage rubber stamp from the ASARCO Leadville Unit, Leadville, Colorado. Wooden handle, with a makers mark that reads "Sachs Lawlor Denver 777-7771." Measures 3.0 x 2.0. A

 

Sun Hemmi bamboo slide rule No. 64 System Rietz, complete with cardboard box, see pictures. ((Règle á calculer, Rechenschieber, règle á calcul, slide rule, rekenliniaal) Questions will be answered