Channels 2, FIGS. 1 to 2: shape for upper part of a channel piece, FIGS. 3 to 4: shape for lower part of a channel piece, FIGS. 5 to 6: channel in transverse and longitudinal section, FIGS., and wing walls of a canal, signed: Aufgen., u, signed v., Becker, sheet 12, to p. 124, Becker, W. A. (aufgen. u. gez.), 1869, W. A. Becker: Anleitung zur Anwendung der Cemente. Berlin: ?, 1869

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Channels 2, FIGS. 1 to 2: shape for upper part of a channel piece, FIGS. 3 to 4: shape for lower part of a channel piece, FIGS. 5 to 6: channel in transverse and longitudinal section, FIGS., and wing walls of a canal, signed: Aufgen., u, signed v., Becker, sheet 12, to p. 124, Becker, W. A. (aufgen. u. gez.), 1869, W. A. Becker: Anleitung zur Anwendung der Cemente. Berlin: ?, 1869

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Keywords: ., 1, 2, 3, 4, 5, 6, 12, 124, 1869, anleitung, anwendung, aufgen., becker, berlin, canal, cemente, channel, channels, der, figs., gez., longitudinal, part, piece, section, shape, sheet, signed, transverse, upper, walls, wing, zur