I am offering for your consideration a Key Line "Concise" circular slide rule, marked AMP (aprox. 3 1/4" dia.) with directions and case. It is in like new condition. Happy bidding !

 

Lot of 2 Vintage Lettering Sets. Both sets are missing some items so they're not complete. Set 1: K&E Leroy is in the dark wooden case. Keuffel & Esser Co. is the manufacturer. Set 2: Wood-Reg

 

Here is a wonderful very heavy 1944 REL/Canada binoculars in very good condition. Has Graticule 1/2 degree apart and 1/4, 1/2, 1 degree high. This is on the right side of the binoculars on the left si

 

beautiful brass 4 1/2" precision navigation instrument yaw control indicator- level. large ship control panel instrument. made by kelvin bottomly & baird ltd. of glasgow-london-basingstoke. they s

 

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

 

THIS IS A HANDSOME MEDAL ISSUED TO ATTENDEES AT A MICROBIOLOGY CONFERENCE IN 1939.IN VERY FINE+ CONDITION WITH MILD TARNISH AND MILD WEAR FROM HANDLING AND AGE. AS SHOWN.MEASURES 2"SQTHANKS AND GOOD L

 

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THIS AUCTION FOR THE BENDER VISUAL MOTOR GESTALT TEST. ORIGINAL MANUAL+CARDS IN USED CONDITION- SOME BROWNING FROM AGE. 9 CARDS A +1-8. ON BACK OF CARD HAS COPYRIGHT INFO. 1946 BY LAURETTA BENDER AND

 

~Vintage Engineers Engineering Draft Tools Lot MAYLINE DIETZGEN TELEDYNE POST~This is a vintage used lot of various miscellaneous drafting itemsSee photoss for the contents of this lotIncluded is:2 wo

 

Up for auction is aVintage Bausch & Lomb Soft-Lite Lense Silver Anniversary Card / Glasses Holderlight scratches and pitting (2 7/8" tall x 2 1/4 wide x 1 1/4" base 2 3/4" x 1 3/4") Over the next