This slide rule is used to calculate dew point andrelative humidity 11 inches in diameter and 20 scales

 

VINTAGE MINIATURE FOLDING BRASS COMPASS WITH MAGNIFYING GLASS DIMENSIONS: FOLDED = 1-3/8" x 7/8" OPEN = 2-5/16" COMPASS WORKS! COMPASS GLASS AND MAGNIFYING GLASS ARE CLEAR. SAYS: "ENGLAND" ON THE BACK

 

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

 

11 PIECES...........................................VINTAGE TOOLS SAW A SET OF THREE IN AN ANTIQUE SHOP LAST YEAR PRICED AT $50. MAYBE THEY WAS WISHFULL; I DON'T KNOW. ANYWAY; I'M STARTING THESE OUT A

 

Be sure to add me to your favorites list!LOCAL PICKUPS WELCOME BLAIRSVILLE, PENNSYLVANIA! !!!!!!!!!!!!!!!!!!!!!! LOOK AT MY OTHER GREAT ITEMS UP FOR AUCTION!!!!!!!!!!!!!!!!!!!!!!!!SO KEEP WATCHING "SP

 

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

 

You are bidding on a Vintage Selsi Compass Map Wheel Pencil with Case from Bell Electric Suppy, Inc. 415 W.Hackley Muskegon,Mich. It measures in Miles or Kilometres. Made in Germany. Works Great. We a

 

You are bidding on a used and fully functional MF-3000 melting furnace. We used this for a total of 4.5 hours between 6 different sessions. Both crucibles have been used for silver. This kit includes:

 

VINTAGE SPRINGFIELD LYNWOOD INDOOR OUTDOOR THERMOMETER HUMIDITY METER UNUSED MINT

 

Salesman Sample / DEMO Medtronic Device "Kappa SR401" No working parts for Demonstration Purposes ONLY. Please ask any questions before you bid.