An 8" diameter recording copper rain gauge by C F Casella & Co of London.
With an internal 24 hour "Gluck" barometer recorder.
Diameter: 28 cm.
C. F. Casella and Co:
Established in 1810 as Tagliabue and Casella.
Incorporated as a limited liability company, C. F. Casella and Co, in 1910.
Circa 1930: C. F. Casella and Co Ltd., of Regent House, Britannia Walk, London, N1 7ND - Makers of anemometers, anemographs, barometers, barographs, hygrometers, hygrographs, radiation instruments, rain gauges, recording rain gauges, record charts, sunshine recorders, thermometers, thermometer screens, and thermographs.