From estate comes this collection of rulers , most are wood . Some metal , a few plastic . All kinds , some three sided , a slide rule . Some with advertising on them , some don't . All in good condit

 

Vintage Zenith Royal 50-X Phone Magnet Hearing Aid Amplifier With Display Case Excellent vintage used condition as shown, with case and earplug. Unknown working condition. Please see photos for more d

 

Exam pieces. Could also be used for many medical fields. Not sure what they all do--- except the ones with the lights that doctors use to do their exams. I took a picture looking thru one of the tools

 

ANTIQUE 14K GOLD ENAMEL COATESVILLE HOSPITAL T.S.N SCHOOL NURSING PIN Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge Description: Here we have a wonderful ANTIQUE

 

sushimonster Store RARE ALDERMAN EARLY CELULOID STEEL FRAMED SLIDE RULE RULER

 

This LOGA calculator is in excellent condition, the wooden case it's in is in fair condition. DESCRIPTIONThis large cylindrical slide rule consists of an aluminum frame supporting a horizontal rotatin

 

TO QUALIFY FOR COMBINED SHIPPING, YOU MUST PAY FOR ALL ITEMS ON ONE INVOICE WHY ? IF ITEMS ARE PAID FOR SEPARATELY, PAY PAL BILLS THE SELLER FOR EACH INDIVIDUAL TRANSACTION RELIST U.S.A. LOWER 48 ONLY

 

8-In good condition with clean lense a microscope Objective marked on the Body R & J Beck Ltd 1/4 6mm A.In 0riginal case. From set of microscopes,objectives and accessories recently acquired at au

 

I AM PLEASED TO OFFER THIS SCARCE VINTAGE 1962 SIC SCIENTIFIC INSTRUMENTS CO CIRCULAR SLIDE RULE MODEL # 120 PROFESSIONAL - INSTRUCTIONS - CASE - ORIGINAL BOX - AT AUCTION (SEE IMAGES). I RECENTLY ACQ

 

YOU ARE BIDDING ON A PIECE OF HISTORY, A PAIR OF MELTING CRUCIBLES MADE BY DENVER FINE CLAY CO. USA (SEE PHOTO 4). THESE WERE USED FOR MELTING METALS IN COLORADO RELATED TO THE MINING INDUSTRY. THE DI