Hearn & Harrison (Firm)

• Catalogue and price list of drawing instruments and materials, ... surveying, meteorological and naturical instruments of Hearn & Harrison
• Catalogue and price list of drawing instruments and materials, surveying, meteorological and nautical instruments of Hearn & Harrison ...
• Illustrated catalogue of thermometers, barometers, pyrometers, hydrometers, and all instruments used by coal oil dealers, brewers, distillers and dairymen, rules, gauging rods and gauging instruments, artificial human eyes, &c
• Semi-centennial catalogue and price list of drawing instruments and materals, surveying, meteorological and nautical instruments of Hearn & Harrison