TY  - BOOK
AU  - Twyman, F
TI  - Prism and lens making : a textbook for optical glassworkers
SN  - 9780852741504
SN  - 87023762
U1  - 681.42 TWY 
PY  - 1988///
CY  - Bristol, [Avon] ; Philadelphia
PB  - A. Hilger
KW  - Lenses - Design and construction
KW  - Prisms - Design and construction
N1  - Reprint. Originally published: 2nd ed. London : Hilger & Watts, 1952. Includes index. Bibliography: p. 618-622
ER  -