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8" by 4" and 7" by 5 1/2" funnels. The smallest is marke Pyrex 60degree.made in the usa. Good usable condition. $8.00 to ship to the lower 48 states. All others please email for shipping.

 

Here is an odd set of calipers or dividers. They have a vernier on the bars and can be used to adjust the scale from one end to another, I think. Found them in my dads tool box. I have no use for them

 

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.

 

ANTON & SON MONONGAHELA PA LAMP GOOD CONDITION It's been used. Appears to be all original. A few minor dings. Please study the pictures. PLEASE EMAIL ANY QUESTIONS OR REQUEST FOR ADDITIONAL PICTUR

 

Slide Description: This is a very good Injected Section of Human Bladder by E. Wheeler in superb original condition. Slide Condition: Excellent specimen Over the next few weeks of May we will be selli

 

For auction we offer an unusual dark grey glass Eye Bath. The outside is tactile and smooth. The inside has a ribbed tooth pattern. Approx. 8cm high; approx. 7cm wide, measured from side to side. Weig

 

Look new, very nice shape.

 

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 SUPER EARLY PAIR OF VINTAGE SIGNED AMERICAN OPTICAL WELLSWORTH GOGGLES/ SAFETY GLASSES WITH PIERCED SIDE SHIELDS. ON ONE SIDE THESE ARE SIGNED AO - OCT 2 -1917 ON THE BOTTOM PERIMETER OF THE