Photographic sunshine recorder, British, 1986
1986
Glycerine barometer, with lead piping, reservoir, glass cover
1873
Jordan's glycerine barometer, modified by J H. Steward, 1886
1886
Jordan's glycerine barometer, modified by J H. Steward, 1886
1886
Jordan photographic sunshine recorder, with 2 recording cards.
1888
Jordan photographic sunshine recorder, 1884
1884