i000000 Vintage HELIX Brass Compass Drawing Instrument Click Images to Enlarge You are bidding on a nice example of Vintage HELIX Brass Pencil Compass Pictures tell the story - Helix name Ideal additi

 

A very old Reynolds & Branson Ltd. student or field microscope in it's original box. A charming brass mounted student's microscope with black painted metal stand, appears to be complete, optics lo

 

You are bidding on 1 Keuffel & Esser slide rule, 4090-3, with case. Rule in good condition, needs cleaning. Case shows use.

 

The tape refill is made my Keuffel & Esser (K&E) and is model 88 0017M. It is steel with a white face. The tape if 100ft long and marked in feet, 10ths of feet and 100ths of feet. It is 5/16th

 

This blown in mold early pharmacy bottle is embossed, "Robinson Drug Company / Three Stores All Good / Albany, GA". and has graduation marks (3VII). It measures 7 1/2" long X 2 1/2" wide X 1 1/4" thic

 

"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

 

If you need to draw polygons in circles or divide lines for any reason, then these are for you! The item is a set of proportional dividers. They come in their original case with instructions and are i

 

10 ounce SILVER BAR ONTONAGON MICHIGAN MI mining calumet houghton copper mine Click to Enlarge Click to Enlarge Click to Enlarge Click to Enlarge priority mail 6.00...... Shipping and Handling charges

 

Early Spencer Optical microscope objective 4MM 44X NA 0.66 appearing in good condition with the lens being untested. I will answer any questions to the best of my ability on all pieces. Please take no

 

Here we have an extremely interesting and very useful early Vintage Specimen Display Cabinet .... can be used as free standing or for wall hanging (there are fixings included ). I found this unusual C