"Marble Scope" is a wonderful handheld marble kaleidoscope by Sherry Moser. This scope has a 21.85mm removable marble as the object. Any marble of this size could also be used in this scope as the obj

 

Here we have this Vintage 1947 Keuffel and Esser Slide Rule No. 68-1287 w/ Box, Manual and Green Leather Case. The box has edge and surface wear the slide rule and case are between very good and excel

 

cherriesuk Store VINTAGE BRASS THEODOLITE & COMPASS - REYNOLDS & CO BIRMINGHAM - MINING ? Measures approx 12 Inches tall and the sight measures approx 14.5 Inches I am no expert in these Items

 

Vintage DIETZGEN PANTOGRAPH MODEL # 1879, Made in Chicago, IL., USA. This a well preserved drafting tool made of Polished Hardwood and has hardly been used; comes with instructions. The box has had a

 

Hope 740 custom circular slide rule made by Concise Co. of Japan and marketed under "Hope". This is an English-Metric converter, the front is a 3" pocket circular slide rule...attached to a rectangula

 

Offered here for auction is a set of Vintage Bushnell Binoculars. These binoculars are very small measuring 4 1/8" x 2" when opened flat. They have the original case with them which is stamped "Made i

 

Vintage VIBRA-KING Model FP Electric Vibrator Massager Red Bakelite - 1950's Red Bakelite with two attachments as seen in pictures. In very good vintage condition with no chips, cracks, scratches. On

 

Vintage Qualitone Hearing Aid

 

VINTAGE LS STARETT CO. 6 IN TEMPERED RULER WITH CASE # C604RE , JOHN M ACHERMAN IS ENGRAVED ON THE BACK OF THE RULE, BUT BESIDES THAT IT IS IN VG CONDITION. (SEE ALL PICS ) THANKS FOR COMING BY AND BE

 

A Collection of Circular Slide Rules and Calculators. See photos for what is included. All are in very good condition except the Range Computer which has 3 internal cracks in the back plastic disk. So