A few words on Portland cement / by a manufacturer, D.L. Collins (Gibbs & Co., Limited) (1888)

Collins, D. L. · Collins, D. L. · leaf 3

Portland cement · Concrete · Schedules for concrete forming and accessories · Concrete curing · Water concrete curing · Concrete forming

Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.

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