TY  - JOUR
T1  - On Photographic Self-Registering Meteorological and Magnetical Instruments. 
JF  - Abstracts of the Papers Communicated to the Royal Society of London (1843-1854)
VL  - 5
SP  - 662
EP  - 663
PY  - 1843/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1843.0109
M3  - doi:10.1098/rspl.1843.0109
AU  - Ronalds, F.
ER  -