TY  - JOUR
T1  - Note on the Necessity of Using Well-Annealed and Homogeneous Glass for the Mirrors of Telescopes
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 50
SP  - 252
EP  - 253
PY  - 1891/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1891.0033
M3  - doi:10.1098/rspl.1891.0033
AU  - Common, A.
ER  -