C&T Patent Altitude Adjustment Aneroid Barometer by Short & Mason, London Zambrene clothing the subject of standards within

the subject of standards within the industry continued to be an issue close to Aitchison’s heart

“Naudet & Cie” but with the line below stating “Pertuis & Fils” in larger text proving that Pertuis also continued to have a stake in this highly successful enterprise

Arthur Bernard Clark to be joint Managing-Director

Class VIII

a move which eventually changed the nature of telescope manufacture forever

C&T Patent Altitude Adjustment Aneroid Barometer by Short & Mason, London Zambrene clothing the subject of standards withinFor sale, an early Twentieth Century brass cased aneroid with C&T patent altitude adjustment by Short & Mason Limited, London. Comprised of a five inch white ceramic and painted dial with scale divided for 26 31 degrees of barometric pressure around the entire circumference. Around the inner arc it is painted with weather indications in a beautiful Gothic font. It is further painted with the word, aneroid barometer to the base and with the makers