TY  - BOOK
AU  - Browning, John
TI  - How to work with the spectroscope; a manual of practical manipulation with spectroscopes of all kinds 
SN  - 9781108014182
SN  - 49057048
U1  - 681.44 BRO 
PY  - 1883///]
CY  - Cambridge
PB  - Cambridge University Press
KW  - Spectroscope
ER  -