You are bidding on a Universal Shunt Type 4309-B manufactured by H.Tinsley & Co, London. This piece of equipment would have been used with a vibration galvanometer to provide a variable resistance

 

THIS IS A HANDSOME MEDAL ISSUED TO ATTENDEES AT A MICROBIOLOGY CONFERENCE IN 1939.IN VERY FINE+ CONDITION WITH MILD TARNISH AND MILD WEAR FROM HANDLING AND AGE. AS SHOWN.MEASURES 2"SQTHANKS AND GOOD L

 

Measures About 2 1/2" Tall I'm not an expert at anything I have listed, but try my best to take good pictures and describe things very well. I'm sure I might miss a little detail, so Please, If you ha

 

Slide rule, in used condition. Leather case has some pencil marks on the inside, and initials carved on outside. If your initials are J.C. B. you're in luck. Slide rule needs a little cleaning.

 

This microscope is as found. It is missing some of the instruments (shown in photo) and I could not get the light to work after I plugged it in. Otherwise It appears to be in good condition, in its or

 

2 Guys dropper cap lamps 1 dropper with double hook and 1 auto lite excellent condition see pics

 

Very nice circa 1950 Eugene Dietzgen slide rule 1744 with original box, leather case and paperwork. No damage to anything other than some wear to outside of cardboard box only and in very good conditi

 

I AM SELLING A WONDERFUL VINTAGE , GERMAN..BAROMETER. IT IS IN THE STYLE OF A SHIPS WHEEL. ......IT IS AN ESTATE FIND. .....IT IS IN FABULOUS CONDITION AS THE PICTURES SHOW AND HAS BEEN WORKING VERY W

 

Great condition with leather case in great condition also

 

(4) 1 DRAM VIALS!!! These are the EXACT SAME gold vials we use in the field every weekend (really as often as we can...lol)! WE DON'T SELL ITEMS WE WOULDN'T USE OURSELVES! We are prospectors too, and