TY  - JOUR
T1  - On the Principle of Construction and General Application of the Negative Achromatic Lens to Telescopes and Eyepieces of Every Description
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 124
SP  - 205
EP  - 207
PY  - 1834/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1834.0014
M3  - doi:10.1098/rstl.1834.0014
AU  - Barlow, P.
ER  -