TY  - JOUR
T1  - Extracts from Mr. Gascoigne's and Mr. Crabtrie's Letters, Proving Mr. Gascoigne to Have Been the Inventor of the Telescopick Sights of Mathematical Instruments, and Not the French. By W. Derham, Prebend of Windsor, and R. Soc. Soc.
JF  - Philosophical Transactions (1683-1775)
VL  - 30
SP  - 603
EP  - 610
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1717.0010
M3  - doi:10.1098/rstl.1717.0010
AU  - Gascoigne, M.
AU  - Crabtrie, M.
AU  - Derham, W.
ER  -