Smithsonian - National Museum of American History, Behring Center

 
Physical Sciences Collection - Surveying and Geodesy

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Casella

Several men of Italian descent made important contributions to the instrument trade in Great Britain and the United States. Among them was Louis Paschal Casella (1812–1897) who opened a shop in London in 1848, making and marketing a wide range of meteorological, mathematical, optical, and philosophical instruments, and photographic apparatus. Casella prospered, and soon obtained appointments to His Royal Highness the Prince of Wales and to several government agencies. With Charles Frederick Casella in charge, the firm became C.F. Casella in 1897, and C. F. Casella & Company Ltd. in 1910. The firm is still in business today.

Ref: Gloria Clifton, Directory of British Scientific Instrument Makers 1550-1851 (London, 1995), pp. 51-52.

Collection:

Pocket Altazimuth
Theodolite
Theodolite (photo)