TY  - JOUR
T1  - An Account of the Invention of Grinding Optick and Burning-Glasses, of a Figure Not-Spherical, Produced before the Royal Society
JF  - Philosophical Transactions (1665-1678)
VL  - 3
SP  - 631
EP  - 632
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1668.0005
M3  - doi:10.1098/rstl.1668.0005
ER  -