THIS INSTRUMENT WOULD HAVE BEEN USED IN INDUSTRIAL LOCATIONS SUCH AS OIL REFINERIES, LABORATORIES, MANUFACTURING FACILITIES ETC. IT MEASURES AND RECORDS WITH INK PENS THE TEMPERATURE AND THE HUMIDITY

 

A 1 1/4" disc made up of various metals.It comes with a cut out ad for the device and I also found with it a flyer for electropathist ,H.O. Candee.

 

VINTAGE Wooden INLAID WOOD Handmade KALEIDOSCOPE Signed 1984 Large 12" UNIQUE

 

Very nice in working condition baumanometer blood pressure cuff kit bag model. Wooden box has some wear but it latches shut and button works to open kit. Posted with eBay Mobile

 

Five drafting pens from the early 20th century. The one of the far left may be mid 20th century. The one on the far left and the one second from the right are marked KEUFFEL & ESSER. Second and th

 

Vintage Airguide Desktop Weather Station made in the USA by Airguide Instrument Company of Chicago. Metal Base with bakelite plasticMeasures 8" wide, 4" tall and 1 3/4" deepThe instrument includes a T

 

Excellent physical and working condition. Listed as used but appears like new. Please message me if you have any questions. Thanks!

 

This LOGA calculator is in excellent condition, the wooden case it's in is in fair condition. DESCRIPTIONThis large cylindrical slide rule consists of an aluminum frame supporting a horizontal rotatin

 

Dietzgen Transit with Wooden Tripod.I don't know much about this transit, other than it's vintage, (don't know the year it was made). The individual I got it from used it for several year's in his con

 

This marine barometer bears the name of the german company ‘Sundo’. The barometer reads accurately and is in excellent condition. Case is free from dings or dents and the bevelled glass cover is f