Simple rain gauges have a horizontal circular aperture of known diameter into for collecting precipitation falling as rain, snow, sleet, drizzle and hail. This one has a feature known as a ‘Snowdon rim’ at the top of its funnel, an adaptation originally introduced for rain gauges for use at Snowdon and which gave a better measure of precipitation falling as snow.

This instrument was designed by the engineer Sir Alexander Richardson Binnie, who was between 1875 and 1890 the Chief Engineer for Waterworks for the City of Bradford. He designed this instrument for rainfall observations in the vicinity of reservoirs.

Simple rain gauges have a horizontal circular aperture of known diameter into for collecting precipitation falling as rain, snow, sleet, drizzle and hail. This one has a feature known as a ‘Snowdon rim’ at the top of its funnel, an adaptation originally introduced for rain gauges for use at Snowdon and which gave a better measure of precipitation falling as snow.

This instrument was designed by the engineer Sir Alexander Richardson Binnie, who was between 1875 and 1890 the Chief Engineer for Waterworks for the City of Bradford. He designed this instrument for rainfall observations in the vicinity of reservoirs.