TY  - JOUR
T1  - Additional Observations Tending to Investigate the Symptoms of the Variable Emission of the Light and Heat of the Sun; with Trials to Set Aside Darkening Glasses, by Transmitting the Solar Rays through Liquids; and a Few Remarks to Remove Objections that Might Be made against Some of the Arguments Contained in the Former Paper. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 1
SP  - 55
EP  - 56
PY  - 1800/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1800.0035
M3  - doi:10.1098/rspl.1800.0035
AU  - Herschel, W.
ER  -