This is a kueffel esser slide ruler with case. It was made in the usa. It is 12" long. Today after I took pictures to list this with the plastic parts above and below the slider part crumbled apart. I

 

sraucher store Vintage Pacific Transducer Corp. Los Angeles,CA Model 615 Thermograph. Not sure how it works but it seems complete with paper and key etc. PTC is still in business in Los Angeles,they s

 

Presented is a fantastic vintage bamboo slide rule. This is a "Sun" Hemmi's Bamboo Slide Rule, likely dating back to the 1950's or earlier. The slide rule is still in its original cardboard box, altho

 

Very nice in working condition baumanometer blood pressure cuff kit bag model. Wooden box has some wear but it latches shut and button works to open kit. Posted with eBay Mobile

 

Up for auction is a vintage sears 48 prepared slides for honey bee and butterfly parts, bacteria, tiny creatures and sea life. This kit includes 48 slides numbered and labeled individually 1-48 # 26 i

 

Antique botanists vasculum tin case microscope steampunk interest  This is an older botanists tin vasculum, they were made in this pattern up until quite a late date but this is an earlier one than I

 

This sale is for an Early 1900's VINTAGE METAL MEDICAL HOSPITAL OPERATION INSTRUMENT TABLE BEDSIDE TABLE TRAY that TILTS and has ADJUSTABLE HEIGHTS. This bedside hospital tray is from the E.H. KARRER

 

Set of 2 brushes and 2 springs for repairing blasting machines. Posted with eBay Mobile

 

Perry~Hall Antiques About UsVisit Our Other Items for SaleAdd to Favorite Sellers Optical Ornate Silver Handled Magnifying Glass Fully Hallmarked Sheffield 1990 Description For sale we have this ornat

 

Old Advertising Medicine Box - Humphrey's 30 - New Old Stock - UnopenedHomeopathic Preparation for Simple Disorders of the Bladder and Bedwetting.Prepared by Humphreys Medicine Co. - New York, N.Y.Box