Exam pieces. Could also be used for many medical fields. Not sure what they all do--- except the ones with the lights that doctors use to do their exams. I took a picture looking thru one of the tools

 

both have there cases the one w/ box is all metal both are picket

 

VINTAGE ANTIQUE DAVIS INSTRUMENT COAL MINE ANEMOMETER ANEMOMETERS Mechanical anemometers are an instrument used to determine the volume of air entering or exiting mine workings. They were invented by

 

smartcNa Store RARE vintage DIWA ELECTRO No. 111 Slide Rule, in original WOODEN CASE 293mm long, double-sided slide. The tables printed on the back have wear/browning from age, otherwise the rule show

 

Click on Image to Enlarge DescriptionYou are bidding on a REAL Human Articulated Skull Cranium for Medical /Dental Study w Crainum Latches and Case PaymentPayment is expected within 3 days (72 hours)

 

You are bidding on a 8 1/2"x 11" color photo of Peabody Coal Company's 5561 Marion Shovel at their Will Scarlet coal mine mining in Illinois. THE WORD SAMPLE WILL NOT BE ON THE PHOTO$2.25 shipping, US

 

This set was made by the Keuffel & Esser Co. You are buying as is, although I believe it is a complete set. Ask me. great condition, from a no-smoking and pet-free home. I ship fast.

 

I have for sale one Charvos brand antique drafting set. It comes with a hard, black carrying case, and includes five compasses of varying sizes, along with some other tools, of which I am unfamiliar.

 

Here are some antique valves and parts in used condition. I have know idea if they work as they should or not the one piece looks like the threads are broken off (see pic). They are made in the U.S.A.

 

An unusual old medical instrument. Used, I understand both for phrenology and more traditionally main stream medical purposes, a pair of cranium callipers. Made by Maw of London, with hand punched num