This is a old aluminium lunch pail it's definitely been used it has bumps scratches dents, but still works. Does not have the original handle I put this handle on it. It 10.5" long & is 7" tall by

 

I have a used Vintage Coal Miners Anemometer Used and Carried buy a mine Examiner to measure the air velocity in underground coal mines ; It is made by dais Manufacture a well known maker of these ane

 

Early Spencer Optical microscope objective 4MM 44X NA 0.66 appearing in good condition with the lens being untested. I will answer any questions to the best of my ability on all pieces. Please take no

 

This item is believed to be a telegraph relay.It is in as found condition and is useful for parts or restoration. Some pieces are missing. Stamped on the base appears to be the number “20”. Base m

 

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

 

The Kit Includes: 20 - 2-3/16" Mini Glass Bottle Display for a Variety of Uses. *****Bonus Item: 5 Free suction tweezers!!! ***** Buy Today :) Visit my eBAY Store to see more GREAT DEALS Gold Prospect

 

whirlycat Store ANTIQUE CHART/MAP NAVIGATION DIVIDERS in HAND STITCHED LEATHER CASE

 

diopside store Two Pair of MOP Opera Glasses Binoculars

 

This is a Koehler Permissable Flame Safety Lamp for coal mining. It was used in Cambria County, Pennsylvania. The original owner has his name tape labeled on the base of the lamp. The glass is intact

 

Here is a blank make your own slide rule kit from Dyna-Slide. There is a no 21 blank with a sealed envelope that I assume holds the hardware and an instruction book. Not a common rule to find, get one