This pair have been well used and abused over time...Nothing seems froze up but there dents here and there and missing parts...Pictures I am sure are clear on condition...Thanks....

 

On Jan-10-15 at 20:26:18 PST, seller added the following information: It appears that ebay completely deleted my description. Please note that the brass compasses have turned partially green. The cani

 

Slide rule c 1959 belonged to former Congressman Bob Filner who started college as an engineering student before switching majors and obtaining his PhD in history of science.

 

Hello thank you for visiting my auction. I have for your consideration A FIRST EDITION AND SIGNED BOOK.. MINING THE HARD ROCK BY JOHN MARSHALL WITH ZEKE ZANONI. IT IS IN NEAR MINT CONDITION! ON THE IN

 

This auction is for a K&E LOG DUPLEX DECITRIG rule and case. The slide rule itself is in mint condition with both the slide and the cursor functioning like new. There are no defects with this item

 

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

 

Here on offer is a good antique collection of apothecary or jewellers weights. The weights are all pressed in brass and have age related patination and some tarnish. There are 4 drachms weights, 2 scr

 

UP FOR YOUR CONSIDERATION IS A VINTAGE RUSSIAN USSR OPERA THEATRE GLASSES BINOCULARS MARKED 2,5X 1955. GOOD CONDITION, WORKS WELL, SHOWS NORMAL WEAR. A BEAUTIFUL PIECE OF RUSSIAN COLLECTIBLE ITEM, IT

 

Missing rulers.

 

VINTAGE SPRINGFIELD LYNWOOD INDOOR OUTDOOR THERMOMETER HUMIDITY METER UNUSED MINT