Original vintage optical industry trade magazine ad for TAYLOR INSTRUMENT COMPANIES of Rochester, NY. Tycos Temperature Instruments. Indicating, Recording, Controlling. Air Meters, Anemometers, Aneroid Barometers, Aviation Barometers, Radiation Pyrometers, Fery Radiation Pyrometers, Fever Thermometers, Hydrometers, Mineral Oil Testing Instruments, Mercury Column Vacuum Pressure and U Gauges, Urinalysis Glassware. Old 1922 optical medical industry advertisement.