TY  - BOOK
AU  - Steinheil,Hugo Adolph
AU  - Voit,Ernst
AU  - French,James Weir
TI  - Applied optics: the computation of optical systems 
U1  - 535.8 
PY  - 1918///-
CY  - London
PB  - Blackie
KW  - Optics
KW  - Lenses
KW  - Refraction
N1  - Part of the plates printed on both sides; Text in English and translated from German
ER  -