TY  - JOUR
T1  - On an Improved Reflecting Circle. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 1
SP  - 56
EP  - 57
PY  - 1800/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1800.0036
M3  - doi:10.1098/rspl.1800.0036
AU  - de Mendoza Rios, J.
ER  -