Here is a blank make your own slide rule kit from Dyna-Slide. There is a no 21 blank with a sealed envelope that I assume holds the hardware and an instruction book. Not a common rule to find, get one

 

ANTIQUE VINTAGE SPENCER Monocular Medical Microscope Original Box WITH KEY APPROX. 1930'SCOMPLETE WITH EXTRA LENS, COLOR LENS SKINS, PAPERWORK ETC... THIS IS A BEAUTIFUL PIECE OF HISTORYA GREAT ARTIFA

 

This is an awesome old vintage life-size model of the human skull made in the 1960s by Superior Plastics. It has a moving jaw & a removable top. It also sits on a plastic base. This skull measures

 

NO RESERVE!!!!!!!!VINTAGE 1960'S-1950'S THE ORIGINAL JUMBO DIAL BY THE OHIO THERMOMETER CO. MADE IN U.S.A. FROG OUTDOOR THERMOMETER. IT IS IN USED CONDITION WITH SOME RUST ON THE BACK AND SPRING(SEE P

 

I have up for auction the following: A vintage MSA Skullgard-style/model hard hat or helmet. Has grey inside straps with adjustable knob. Knob works tightening or loosening. Black knob has MSA Fas-Tra

 

Vintage Tin Miners Mining Oil Wick Lamp Original as found uncleaned condition, Still has 100 year old patina. It does have a few small dents in side and front of chimney. Can be seen in pics. Body mea

 

HERE WE HAVE A LOVELY VINTAGESHORTLAND SMITHS SBWALL BAROMETER THERMOMETER DIMENSIONS:H425mm x W160mm D35mm THIS LOVELY INSTRUMENT IS STILL IN EXCELLENT CONDITIONSAND IS HOUSED IN A SOLID OAK MOUNT WA

 

Vintage Keuffel & Esser Co. slide rule dated 1947. It comes in the original case and also includes the instruction manual dated 1936 Powered by eBay Turbo Lister The free listing tool. List your i

 

Vintage Bausch & Lomb Microscope--very heavy and old. I will try to answer any questions you have, but I don't know much about microscopes. Please ask questions before bidding. From smoke-free hom

 

VINTAGE 1940's TRIANGULATOR SLIDE RULE MAKES TRIGONOMETRY EASY POCKET SIZE Click image to enlarge Description 9/17    A terrific collectible - A 1940s 'TRIANGULATOR' SLIDE RULE!  'MAKES TRIGONOMET