Relay 151 bamboo slide rule with case in good condition, see all photos for detailed views. "Scientific Instruments Co." is printed on the edge, that was probably the US distributor. Cursor moves free

 

NKUrban Prospecting drop riffle sluice boxes are made from ABS plastic to belight, durable, and very effecting at trapping gold! Unlike classic Hungarianriffles, drop riffles don’t throw the fine go

 

VINTAGE MSA MINE SAFETY APPLIANCE SKULLGARD BROWN HARDHAT # A1. Hard hat is in good solid condition. There are no breaks, cracks or distortions. The rear area of the head band is slightly out of shape

 

Here are two useful parts. Both marked MONAX and one is 2 1/16 high and the other one is 2 3/8 inches high. Both in excellent condition, no cracks or fleabites. Good original pieces for your miners sa

 

Kueffel and Esser Co. Alidade Model T-211618 In Original Case Crystal Clear Optics in a carefully owned and used instrument From the dry, high desert climate of Colorado It is rare indeed to find deca

 

Vintage 50's-60's AIRGUIDE air guide Desktop Weather Station barometer thermometer Humidity/ hygrometer NICE VINTAGE 50'S EARLY 60'S AIRGUIGE WEATHER STATION IN GOOD WORKING CONDITION. MEASURES 4 3/4"

 

SMALL WOODEN CASE OF DRAWING INSTRUMENTS Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Description: UK buyers please note. From 2nd April Royal Mail have increased their prices f

 

Drafting Protractor For auction, with no reserve, is an early 8-inch drafting protractor made by the Union Instrument Corp of Plainfield New Jersey. Item is stamped U.S., indicating that it was made f

 

I was recently meeting with a future chemist. His friend, who is about to graduate with a degree in Chemistry, had a rather pompus attitude. It seemed like the right time to give him a little taste of

 

YOU ARE BIDDING ON A LOT OF VINTAGE SAFETY EYE GLASSES.....THEY HAVE THE NAMES , SELLSTRON (2 OF THESE), SARATOGA, AND ONE HAS NO NAME......THIS ALONG WITH OTHER ITEMS WE HAVE LISTED ON EBAY THIS WEEK