TY  - BOOK
AU  - Various and Rufus Porter
TI  - Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877
KW  - Science
UR  - https://new.zodml.org/sites/default/files/2023-08/scientific_american_vol._xxxvii.-no._2._new_series._july_14_1877_by_various.epub
ER  -