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Quote by Canvass White

“The sand should be neither coarse nor fine but of a middling quality or about the size of the common pop(p)y seed. If the sand is too coarse the mortar will be short or brittle . . . If the sand is too fine the cement will shrink and crack after it has been used.”

Quote by Canvass White

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Canvass White

Canvass White, born on September 8, 1790, and died on December 18, 1834, was an outstanding engineer. He made significant contributions to the field of mechanical design and manufacturing, particularly in the area of textile machinery. White's inventions and innovations had a profound impact on the Industrial Revolution. more

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“The valuable properties of this cement depend in a great measure on the mode of preparing it for use. The mixing should therefore be conducted with care in order to form a perfect union of the powdered cement, sand and water. This can be best accomplished by the use of the New England corn hoe on a board floor or by beating with a hand stamper; not much labour is required if properly applied. Mechanics can judge when the mixture is perfect by the appearance of the mortar, which, when properly prepared, very much resembles putty.”

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Author:Canvass White
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“To every bushel of the powdered cement add one bushel of sand, mix them together and pass them through a sieve, then add a sufficient quantity of water to make it (by well mixing and working) about the consistency of a soft putty. It is then fit to use but should not be kept more than six or eight hours and should be thoroughly worked just before it is used.”

ShouldWellsUseTogetherUsedWaterHoursFitSixAddEightSufficientSandQuantityEngineeringConsistencyMixingCement
Author:Canvass White
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