This is a fantastic piece and apparently quite rare as well. It was most likely a giveaway advertising piece from the service garage in Schuylkill, PA identified in the photos. It is made of brass and

 

This is a nice assortment of K&E drafting pens still in the original package. These came in an auction lot to me and I don't know much about them, so I will describe them as best as possible and y

 

Prosthetic Human Glass Eye Prosthetic Human Glass Eye... Early 1900's or earlier in excellent condition.....Lauscha Germany...RARE..... All eyes are made of glass and crack free. I have included two p

 

TOPCON FC-1 Data Collector Field Controller, Date of manufacture 1983, Very old collectible. Item Information: Net Weight: 750g Dimension: 20cm x 9cm x 5.5cm Excellent Condition, No Damage No Cracks I

 

Here is a lot of Mathematical devices, Calculators, a Faber Castell Slide Rule Made in germany and a Casio Electronic Calculator For Parts Only. The Slide RUle Is Functioning!

 

This is a used Olympus microscope purchased circa 1958 in very good to excellent condition. It has course and fine focus controls which operate perfectly. The slide bed has a precision movable stage t

 

Size is 29"x35" with the wooden dowels adding a few inches to top and bottom. Paper on linen backed scientific chart. Made by Hagemann Company; Drosophila sex-linked II (criss-cross). There are 2 smal

 

Theodolite- is a precision instrument for measuring angles in the horizontal and vertical planes. Theodolites are used mainly for surveying applications, and have been adapted for specialized purposes

 

You are bidding on a very interesting little piece. It is a dry cell kaleidoscope with colored aluminum surrounding the eye piece. It measures about 3 inches high and 2 inches in diameter at the top.

 

Here we have a really nice early Cased Monocular Microscope in working condition. It is engraved: NEGRETTI & ZAMBRA LONDON. This fine piece is affixed to the base with screws . as can be seen the