TY  - JOUR
T1  - Some Observations, Touching Colours, in Order to the Increase of Dyes, and the Eixation of Colours; Generously Imparted by the Author of the Four Above-Mention'd Letters, Who Annexed Them to That of Februar. 15. 1670
JF  - Philosophical Transactions (1665-1678)
VL  - 6
SP  - 2132
EP  - 2136
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1671.0009
M3  - doi:10.1098/rstl.1671.0009
ER  -