Check the listing for details. Vintage Glass Hydrometer or Lactometer. 8 Inches. Condition: Used. Listed at 40.00 USD. The vintage glass hydrometer or lactometer measures about 8 inches in length, making it a unique and collectible scientific instrument from the 1930s. This device was likely used in science and medicine for measuring the specific gravity of liquids, such as alcohol or milk. This item appears in good condition with some slight clouding on inside of tube. THE ITEM HAS NOT BEEN TESTED. I do not know about functionality. See photos
You may also like
$95
STANDARD COTTAGE BAROMETER THERMOMETER Wood Frame Glass Paper Tin 2 Vials 1930's
$95.99
VTG Working Gotham Metal Brass Industrial Steam Boiler Thermometer Steampunk
$78.25
Vintage Pyro Pyrometer ... Pyrometer Instrument Co Bergenfield NJ
$15
Marina Plastic Thermometer with Suction Cup
$13
Vtg Springfield Thermometer Made In USA Indoor Plastic 9" 1970s
$25.99
11” Tall Galileo Glass Thermometer 5 Glass Floating Indicators @ Box
$29.32
Galileo Thermometer Shaped with Wood Base from 64ºF to 80ºF Christmas Tree
$20
Vintage Norelco Digital Thermometer
$54.28
2" 52mm Tachometer Gauge Colorful Pointer RPM Tachometer Tach Gauge 0-11000RPM
$18.95
Springfield Instruments Temperature Humidity Guage (inside) Vtg Made In USA
$11.78
Vaikby Indoor Thermometer 2Pack, Humidity Gauge Meter Digital Hygrometer Room...
$27.55
Jason Hygrometer And Thermometer Encased in Hard Plastic Attached To Driftwood