TY  - BOOK
AU  - Horne, D. F
TI  - Dividing, ruling and mask-making
SN  - 0-8448-0359-6
PY  - 1974///
CY  - London
PB  - Adam Hilger
KW  - Astronomy and astrophysics thesaurus
KW  - Mask-Making
KW  - Optical instruments
KW  - Optics
ER  -