NEW BOOKS ETC INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending JANUARY 16 1900. EDUCATION BY MAIL ORDINARY RATES. Foot power d WALWORTH MANUFACTURING CO' 128 To 138 FEDERAL ST. BOSTON MASS. NEW BINOCULAR. QUEEN & CO. BARNES' UPRIGHT DRILLS W. F. & JOHN BARNES CO. NICKEL Electro- Plating Hanson& VanWinkle Newark. THE HLTZER TCAD ELECTRIC CO Boston (Brookiinei. Mass. 'Universal' Kneading and Mixing Machines WERNER & PP LEID ER ER manufacturers' models the Pratt r Whitney Co. harttord Conn Volt ertiforrnertfts., scientific american, 1900-01-27


NEW BOOKS ETC INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending JANUARY 16 1900. EDUCATION BY MAIL ORDINARY RATES. Foot power d WALWORTH MANUFACTURING CO' 128 To 138 FEDERAL ST. BOSTON MASS. NEW BINOCULAR. QUEEN & CO. BARNES' UPRIGHT DRILLS W. F. & JOHN BARNES CO. NICKEL Electro- Plating Hanson& VanWinkle Newark. THE HLTZER TCAD ELECTRIC CO Boston (Brookiinei. Mass. 'Universal' Kneading and Mixing Machines WERNER & PP LEID ER ER manufacturers' models the Pratt r Whitney Co. harttord Conn Volt ertiforrnertfts., scientific american, 1900-01-27


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