TY  - BOOK
AU  - Wilkins,H.Percival
AU  - Moore,Patrick
TI  - How to make and use a telescope
U1  - 522.2 
PY  - 1956///
CY  - New York
PB  - W. W. Norton
KW  - Telescopes
N1  - London ed. (Eyre & Spottiswoode) has title: Making and using a telescope
ER  -