The masterpieces of the Centennial International Exhibition\ : illustrated (1876)
Centennial Exhibition (1876 : Philadelphia, Pa.), Shinn, Earl, 1838-1886, Smith, Walter, 1836-1886, Wilson, Joseph M · Philadelphia : Gebbie & Barrie · leaf 555
ecting bars, etc., and the fermettes are successively turned on the axes at their bases into a horizontal position in the recess back of the sill provided in the bed for them. When the barrage is to be raised, the attendant grapples for the fermettes under the water, raising one after the other,… … Fig. ij. — Details for uniting adjacent fermettes. Public Works of France. the entire opening and lowering of the water taking forty-five seconds per yard. The twenty-two new barrages have a passage closed, with movable shut- ters, on what is designated as Chanoine’s system, worked by a bar…
Centennial Exhibition (1876 : Philadelphia, Pa.) · Centennial Exhibition · Art · Decorative arts · Machinery
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