Antique Holosteric pocket Barometer & Celsius Thermometer. Original carrying leather velvet case with shoulder strap. Paul Naudet – PNHB. Unusual to see one of these “paired” with a Celsius Thermometer. Curved Thermometers semi circle – arc – are rare to their own to see! I put [...]
Archives for February 3, 2020
Negretti & Zambra Wet Plate Camera, London ca 1869, Exc condition for age, Rare
Negretti and Zambra were English photographers and opticians who went into partnership in 1850. They had major photography contracts in the 1850’s and 1860’s that made their work known worldwide. At the same time, they retailed optical instruments like telescopes, microscopes, compasses and surveying equipment, particularly if [...]