TY  - BOOK
AU  - Multhauf R P
ED  - American Philosophical Society
TI  - Catalogue of instruments and models in the possession of the American Philosophical Society
U1  - 681.0838 
PY  - 1961///
CY  - Philadelphia
PB  - APS
KW  - Catalogue of instruments
KW  - Pricision instruments
ER  -