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Solitaire Vacuum Rock Drill Company.
"Solitaire" vacuum rock drill ... : the only vacuum drill in the world ws ——. [Boston 3 s<n.;, 1881. ]
[2] we. #2255 Clts
lL, Rock-@rilils. 2. Advertising flyers. I. Stone, Warner D., inventor. II. Hathaway, John G., gQeneral manager. Lit. Title.
& ocm28540155
005264