TY  - JOUR
T1  - On the Phenomenon of Relief of the Image Formed on the Ground Glass of the Camera Obscura. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 8
SP  - 569
EP  - 572
PY  - 1856/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1856.0148
M3  - doi:10.1098/rspl.1856.0148
AU  - Claudet, A.
ER  -