National Mine Service Company First Aid KitHang-On-Wall or Hand-Carried steel First Aid boxSome supplies and instructions included, as shown (some of the original contents are missing)An old collectib

 

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

 

sushimonster Store RARE ALDERMAN EARLY CELULOID STEEL FRAMED SLIDE RULE RULER

 

Dietzgen Transit with Wooden Tripod.I don't know much about this transit, other than it's vintage, (don't know the year it was made). The individual I got it from used it for several year's in his con

 

A Tiny, two sided, Celluloid and wood Pocket Slide Rule, Made in Germany, No 41 by Albert Nestler A-G, Lahr, Baden, between the Wars, I think. In its leather case, aluminium slide, no damage.The small

 

FOR SALE IS EXCELLENT CONDITION RIEFLER OF GERMANY DRAFTING / DRAFTSMAN SET THIS IS COMPLETE AND IN EXCELLENT CONDITION 2 EXTRA SCLAE RULERS ARE INCLUDED ALL ARE HOUSED IN A NICE SECURE METAL CASE THA

 

Your browser does not support JavaScript. To view this page, enable JavaScript if it is disabled or upgrade your browser. Click Here. Double your traffic. Get Vendio Gallery - Now FREE! this is a very

 

One (1) barometer clear glass replacement bulb for wall barometer. Must be filled and hung on stand. Measurements: Approximately 4.5 inches depth, 4 inches width, 10 inches height Condition commensura

 

This is for a stylish pair of well made Edwardian fold up spectacles that are very unique in the way they fold away. The white metal nose bar is hinged at both ends to fold the lenses together and the

 

1972 Vintage Optical Catalog Unitron Astronomical Telescopes Refractors etc Description Original catalog, 1972, Unitron product line, illustrated, specs, info. Softcover, 10.5 x 8, 20 pages in length.