Highly unusual and rare 1966 Keuffel & Esser vintage ANALON ENGINEERING-SCIENCE ANALYSIS SLIDE RULE - with case and Instruction Manual. One of the rarest of K&E slide rules and one that utiliz

 

This listing is for a H&B scientific thermometer. The thermometer measures 13 3/4" in overall length (counting the handle). The handle spins we are not sure if this is of design but we are mention

 

Staedtler Mars Electric Eraser Blue (527-00) USED

 

Interesting drab green military WWII era Microptic theodolite and case Here is an Interesting drab green painted WWII era Microptic theodolite and case for your consideration. The theodolite of prob

 

Here are 45 boxes with 12 Speedball Pen Nibs in each box...never used. I've been advised they're from the 1950's and they are made by Hunt Pen Co. They are Triple Reservoir and of multiple tip sizes f

 

N.W. Walker 1944 Endocrine Glands Chart by Norwalk Press. Norman Wardhaugh Walker (January 4, 1886 – June 6, 1985) was a British businessman and pioneer in the field of vegetable juicing and nutriti

 

5 x Assorted microscope slides Geological thin sections - Scotland (D) Basaltic Tuff with Plant Remains – St Anthony’s Chapel, Holyrood Park, Edinburgh, Scotland Buchite – Ardnamurchan, Scotland

 

Corki Weeks Brass Swirl KALEIDOSCOPE Very nice brass kaleidoscope made by California artist Corki Weeks in the 1980s i believe. It has very nice brass exterior case and a beautiful continually changin

 

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

 

a boxed student microscope with a few glass slides. In good condition considering it's age.