Report in Reference to the Canal to Connect the Chesapeake and Ohio Canal With the City of Baltimore, 1838 (Classic Reprint)

John James Abert

ISBN 10: 0656611766 / ISBN 13: 9780656611768

Published by Forgotten Books, 2019

New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9780656611768

Synopsis:

Excerpt from Report in Reference to the Canal to Connect the Chesapeake and Ohio Canal With the City of Baltimore, 1838

The observations of Mr. Fisk were made upon that part of the canal, between Harper's Ferry and Seneca, which has been the longest in use. Much of it also passes through low ground, and may, therefore, be considered as the drain of the adjacent high grounds; and where exposed to the causes of active filtration, it was puddled with great care. On these accounts, I conceive its loss may be fairly considered, under our system of construction, as a minimum; and that the safer rule for a general estimate, on account of losses from filtration and evaporation, would be 2 prisms per month. Its actual loss being, then, prisms, our safer rule adds of the prism of one mile. Per month, which would increase the stated loss per mile per minute cubic feet; or make the whole, exclusive of the prism left in the canal on the closing of the navigation, cubic feet per mile per minute. This prism, left in the canal at the closing of navigation, is, as has been shown, equal to cubic yards (52) for one mile. As its loss is for the whole ten months, it would be cubic feet per mile per minute, making the total loss per mile per minute equal to cubic feet.

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Bibliographic Details

Title: Report in Reference to the Canal to Connect ...
Publisher: Forgotten Books
Publication Date: 2019
Binding: HRD
Condition: New