Portable alidade for measuring cloud height

Beckley anemograph recorder

Kelvin's Harmonic Analyser

Dines-type anemometer display, 1892-1900

Components for photothermograph used at Radcliffe Observatory, Oxford

Weight for Ronalds' photographic thermograph

Charles Vernon Boys' Gravitational Apparatus by the Cambridge Scientific Instrument Co., 1889

Pressure-tube anemometer head and vane

Tabulator for curves (see 90169) by R.W. Munro

Tabulator for curves 0 to 8 inches

Dines patent air meter

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