Kew Pattern Marine Barometer by Negretti & Zambra of London. Recognized and used as the standard on ships and Observatories, range 870-1100 mb. includes attached "Gold Scale" (named after Lt. Col. Gold of the Harrison clock fame) Mark IV also by Negretti, this removes temperature, height and latitude corrections when set. Rare and in excellent condition.
Categories: Australian History > General (Australian)