قراءة كتاب Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers The New York Tunnel Extension of the Pennsylvania Railroad

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Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers The New York Tunnel Extension of the Pennsylvania Railroad

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دار النشر: Project Gutenberg

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83 XXI.a Fig. 1. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete 1154 85 XXI.b Fig. 2. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete 1154 85 XXI.c Fig. 3. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete 1154 85 XXI.d Fig. 4. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete 1154 85 XXII.a Fig. 1. Scaffold Car; Headhouse; and Round Holes in Concrete Forms 1154 87 XXII.b Fig. 2. Scaffold Car; Headhouse; and Round Holes in Concrete Forms 1154 87 XXII.c Fig. 3. Scaffold Car; Headhouse; and Round Holes in Concrete Forms 1154 87 XXII.d Fig. 4. Scaffold Car; Headhouse; and Round Holes in Concrete Forms 1154 87 XXIII. Record of Drilling, Air Pressure, Mucking, etc., in Bergen Hill Tunnels 1154 95 XXIV.a Fig. 1. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls 1154 119 XXIV.b Fig. 2. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls 1154 119 XXIV.c Fig. 3. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls 1154 119 XXIV.d Fig. 4. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls 1154 119 XXV.a Fig. 1. Telephone and Telegraph Ducts and Mandrels; Tunnel Lining Forms; Placing Water-Proofing; and Section of Completed Lining 1154 129 XXV.b Fig. 2. Telephone and Telegraph Ducts and Mandrels; Tunnel Lining Forms; Placing Water-Proofing; and Section of Completed Lining 1154 129 XXV.c Fig. 3. Telephone and Telegraph Ducts and Mandrels; Tunnel Lining Forms; Placing Water-Proofing; and Section of Completed Lining 1154 129

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