Mid Victorian Aneroid Barometer by M Pillischer of Bond Street, London Antique Steam Engine Model for sale Charts and Ink Appendix: Summary

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going on to produce his “Barlow’s plate” an instrument which corrected magnetic deviation aboard ships and conducted experiments with him on a new fluid refracting telescope

The sundial retains its original gnomon incised with filigree patterns to its arc

These iconic instruments were initially supplied through the Meteorological Office and paid for by HM Government but Negretti & Zambra were certainly advertising the early porcelain scaled version to the general public by 1864 as they are recorded in the company’s

Two brass A frame type struts either side of the compass provide support for the semi-circular divided arc which is again hand adjusted for coarse setting and then finely adjusted by a vernire attached to the A frame

Mid Victorian Aneroid Barometer by M Pillischer of Bond Street, London Antique Steam Engine Model for sale Charts and Ink Appendix: SummaryFor sale, a mid Victorian aneroid barometer by M Pillischer of London. Comprised of a four and a quarter inch silvered dial with the top half divided for 28 to 31 inches of barometric pressure and with Vidi type weather indications on the inner side of the dial. Pressure is related by means of a very fine blue steel pointer and a similarly fine brass set hand operated at the centre of the dial. The lower half of the dial has a curved Fahrenheit