3 replacement drums for the Whipple rainfall chronograph. Two have two holes in one end, the third is perforated at both ends. See 50146 3 replacement drums for the Whipple rainfall chronograph. Two have two holes in one end
Part of Whipple rate of rainfall chronograph, ex Kew Observatory. Part of Whipple rate of rainfall chronograph
Tilting siphon recording rain gauge, 29cm diam funne by Casella (London) Ltd, London, England, 1986 (Casella Product No. W5552). Tilting siphon recording rain gauge
Recorder for the Whipple rainfall chronograph, unsigned, badly stained by leaked blue ink, in glazed case with hinged lid. Clockwork is set to rotate drum, pen controlled electronically. See also 50151 Recorder for the Whipple rainfall chronograph
Tilting siphon recording rain gauge, 29cm diam funnel. 1986. 87cm x 52cm diam. (Casella Product No. W5552) with associated charts recording rain-gauge
