K&E Slide Rule 4081 leather holder and booklet. In good condition. See all pics and ask questions before bidding if you are unsure of something. AS IS no returns. NY residents must pay 8% sales ta

 

The one on the right side is marked, “Stevens Kaleidoscope, Millions of Designs, Stevens Mfg. Co., St. Louis, MO”. It is 8 15/16 inches long. The outer diameter is 2 5/16 inches in the front and 2

 

One (1) Vintage set of Howard Sutton Proportional Dividers. Made in Germany. They're in great shape. I've collected several others lately, and i cant use them all. I need to make room. Pictures pretty

 

This handsome brass barometer is wrapped in a brass snake and sits on a marble base. The face is porcelain with elaborate lettering. The base measures 7 3/4" wide, 2 1/2" wide and 5/8" high - unfortun

 

2 VINTAGE NEW BRASS MINERS MINING KOEHLER #289-1A PERMISSIBLE FLAME SAFETY OIL LAMP LIGHT Please review the pictures above - the safety lanterns are in great vintage condition tarnish brass, do to the

 

UP FOR AUCTION IS THIS COAL MINERS MINING MSA PERMISSIBLE METHANE SPOTTER DETECTOR WITH CASE. THIS UNIT IS BEING SOLD AS A DISPLAY UNIT OR FOR PARTS ONLY, & AS IS. THERE IS NO CHARGER WITH IT. A S

 

Here is a nice old Mcdonald aluminum loggers full brim hard hat.....decent used condition, no major dents....Leather is in good shape.......Please ask questions.....USA auction only..... Posted with e

 

RARE * VINTAGE * METEOROLOGICAL * VIZ A.I.R. INC. RADIOSONDE * USED * NOT TESTED MODEL IS-4A-1680CARRIER FREQUENCY 1690.000 MHz USED, NOT TESTED SEE PICTURES

 

Untitled Page Antique Craftsman Brass Transit Level Nice old brass transit with original wood case. Transit is in very good condition with no damage or repairs. The bubble is good. Optics are clear an

 

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