For sale is this vintage 1950's Pickett & Eckel, Inc. 12" Slide Rule - Model 800-ES - Includes leather case and handbook - Says "Chicago" on the slide rule - The date on the handbook's inside fron

 

Antique Microscope Slide by Clarke & Page. Marine Zoology. Protozoa. Haliphysema Tumanowiczii. A rare Foram parasitic on Crissia. Diatoms Isthmia etc. See images for condition. Excellent. I ALSO B

 

Plastic slide rule concrete calculator from The Brewer Co. Cincinnati, Ohio. Shows normal wear, but all printing on both sides is very legible. It is 7" long. An interesting advertising or contractor-

 

Nice condition, measures 5". Please view all the pictures for condition, as each persons views differ. Please note if your not happy with your purchase I'm happy to offer a refund, IF MY ITEM HAS BE M

 

THIS AUCTION CONTAINS A WONDERFUL EXCELLENT QUALITY VINTAGE BRASS KALEIDOSCOPE BY CHESNICK AND KOCH WITH ORIGINAL TAG GIVING INFO ABOUT THE ARTISTS AND MATERIAL USED TO CRAFT THIS INSTRUMENT - TWO (2)

 

UP FOR BID FIVE VINTAGE ORAL FEVER THERMOMETERS WITH A JOHNSON & JOHNSON J-TEMP THERMOMETER DRI-KIT. THERMOMETERS HAVE NOT BEEN TESTED.FAICHNEYBALLOCHASECT D B-DAMERICAN HOSP. SUPPLYNO INTERNATION

 

 

up forVintage German Logarithmic Slide Rule made of aluminiumREISS darmstadt 06/0015used conditionthis item is about 32cm(12,5 inc) long see the pic

 

This is a 1 year supply of Barograph Charts At least I think they are, anyway. I don't know anything about them, except that they came from my grandfather's estate and he had a bunch of instruments th

 

Beautifully hand craftedwooden Kaleidoscope with standand 3 interchangeable wheels This is one of the most beautiful kaleidoscopes you will ever find.It was purchased approximately 40 years ago in Nor