after the test
Photograph of concrete cube, no. 29, after the test.
(closely cropped, and auto-tone; skew retained)
illustrating “Concrete and Mortar Tests / Concrete Cubes, State of New York”
in Report of the tests of metals and other materials for industrial purposes made with the United States testing machine at Watertown Arsenal, Massachusetts, during the fiscal year ended June 1898 (1899) : 415 ff
better aligned (Stanford copy) scan at google books and at archive.org
Composition: Wayland cement, 1; sand, 1; broken stone, 4.50.
Consistency of mortar, dry.
Age, 1 year 8 months 23 days.
Set in mold 65 hours, in water 4 months 5 days; buried in sand 1 year 1 month 10 days, in air 3 months 5 days.
deflection from search for folds + mathematical
concrete; detours; tests; water; Watertown Arsenal