BLAKE'S CHALLENGE ROCK BREAKER OR SECTIONAL CUSHIONED CRUSHER. BLAKE'S SECTIONAL CUSHIONED CRUSHER. MISCELLANEOUS INVENTIONS The Polyphemus. An Oetoplex Printing Telegraph. LONGITUDINAL SECTION OF BLAKE'S CRUSHER., scientific american, 1879-11-15
BLAKE'S CHALLENGE ROCK BREAKER OR SECTIONAL CUSHIONED CRUSHER. BLAKE'S SECTIONAL CUSHIONED CRUSHER. MISCELLANEOUS INVENTIONS The Polyphemus. An Oetoplex Printing Telegraph. LONGITUDINAL SECTION OF BLAKE'S CRUSHER., scientific american, 1879-11-15
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