TY  - JOUR
T1  - Description of a Single-Lens Micrometer
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 103
SP  - 119
EP  - 122
PY  - 1813/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1813.0019
M3  - doi:10.1098/rstl.1813.0019
AU  - Wollaston, W.
ER  -