Beautiful 1959 Pickett slide rule with leather case. It is in mint condition with only slight wear on the case. Please let me know if you have questions. Thanks for looking! Posted with eBay Mobile

 

Glasses come with hard case that is in very good condition.

 

Girl Scout Handbook from 1941

 

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

 

Up for Auction is a Desert fox gold panning machine. Makes the hard work of panning that pay dirt simple. It has been used for only about two hours total. This is a great machine.I also have a bullsey

 

It is a large Weston Electric Voltmeter. The face of the meter is 8 5/8" in diameter. The back plate is 9 5/8" in diameter. It is 4 1/2" deep. The posts on the back stick out an additional 2 1/4" maki

 

Very beautiful 1880 antique microscope slide of cross section of elephant foot pad for viewing with polariscope and selinite. Mounter is HB Thomas Posted with eBay Mobile

 

Vintage 1920s Cameron Vitrohm Potential Adjuster Surgical Light in very good working and looking condition. Meant for use in medical and dental applications. Constant light source with internal lenses

 

This is a kueffel esser slide ruler with case. It was made in the usa. It is 12" long. Today after I took pictures to list this with the plastic parts above and below the slider part crumbled apart. I

 

Up for bid is a very nice condition Pickett Slide Rule Model N1010-ES TRIG. This metal slide rule has good yellow paint all the way around. I only see a few tiny scratches to the paint with now chips