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

 

This is a Microtone Hearing Aid Test in its own case. On the back is Microtone Classic Sterling and front is carved like Art Deco, inside is a place for batteries and the number T9 Microtone Company,

 

What is it? 6 Edmund Scientific Co. Booklets Manuals 1963, No. 9065, Telescopes You Can Build 1955, No. 9044, How To Condense and Project Light 1959, No. 9055, How To Use Your Telescope 1945, No. 9006

 

VINTAGE BAUSCH & LOMB BRASS 3 LEG MICROSCOPE CIRCA 1915. IT'S IN NICE WORKING CONDITION AND IS NICE AND TIGHT. IT'S COMPLETE WITH THE WOOD BOX AND LENS HOLDER WITH 1 LENS TUBE INSIDE OF THE BOX. W

 

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

 

1955 Slide Rule -Amazing comdition -No cracks or chips -Includes slide rule, original plastic sleeve, original box, original case and instruction book -Complete set -Message me with any questions -Pay

 

VINTAGE 67/54 R. DARMSTAD, FABER CASTELL SLIDE RULE WITH ADDIATOR CALCULATOR This is a vintage Faber Castell slide rule 67/54 R. DARMSTAD, slide rule with ADDIATOR manual calculator. In good condition

 

usedresource Store Offering savings to eBay shoppers !! Koehler Wheat LED Light, With Charger Hat and Belt, USED CONDITIONCONDITION:HAT IS IN GOOD SHAPE LITTLE BANGED UP BUT STILL SERVES PURPOSEBELT I

 

Here is a very nice vintage German made drafting set. It is complete, and has spare tips, and leads. No rust, the felt and the case is is great. Shipped via USPS Priority Mail. This will make a fine a

 

Immaculate drafting set!! In Great condition like new! The case has a little wear and a tear, but the tool is cool!! Comes with two extra leads! Posted with eBay Mobile