17 scales 12" long. Cursor and center slide bar move smoothly. No writing on slide rule or case. Front Scale K, A [ B, ST, T, S, C ] D, DI Back Scale DF [ CF, CIF, CI, C ] D, DI, L

 

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

 

This Listing is for a Vintage Pair of Willson Goggles Amber Lens Pierced Brass Nickled plated Brass Side Wings Comes in Willson Metal Tin Glasses are very clear and in very good condition with one len

 

Calcium acetate monohydrate is a white powder with a slightly bitter taste and slight odor of acetic acid. Decomposes on heating forming acetone and calcium carbonate. Soluble in water and slightly so

 

You would be bidding on a Keussel & Esser Co. Surveyor from 1964. It comes with a box and an attachment. The number on it is N5116P Serial number 64964.

 

A tin box containing 6 old grain weights, 6, 5, 4, 3, 1, 1. In concave design, most original gilding intact, no maker's or other marks. Probably mid 19th century.I am later advised that they are proba

 

Todays listing is for a Chrome Space Age German Sputnic Weather Station Barometer made in West Germany. This is a very beautiful piece of Vintage Art Deco. This piece in in very good condition. ALL IT

 

WALL HANGING BAROMETER MADE BY LUFFT (original sticker attached) GERMAN WOODEN CASING 16 CMS IN DIAMETER VERY COLLECTABLE .... VINTAGE ITEM FULLY OPERATIONAL

 

Vintage Wolf Mining Safety Lamp, rare and in good condition. Still sparks. Would make a great addition to any collection. Posted with eBay Mobile

 

found amongst my late father's possessions Milbro Microscope x 250 In its original box, tissue paper, glass strips and instructions It looks as if it has never been used; I am 70 next birthday and I d