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Experiments on the Strength of Pieces of Ash

Sources & Images
Source Name Image(s)
CollectionChicago Historical Society: Joshua Humphreys Papers view image
Document Information
Date June 9, 1795
Author Name Joshua Humphreys (primary) Location: Philadelphia Navy Yard
Recipient Name Timothy Pickering (primary)
Summary Shipbuilder Joseph Humphreys reports on the results of experiments on pieces of ash as to what effect single or double holes for bolting the floor will have on the keel of a ship.
Document Format Autograph Letter Signed
Document Notes Includes a graph with the comparisons shown.
Content Notes [not available]
Related Persons/Groups Secretry of War [Timothy Pickering]; Joshua Humphreys;
Related Places Philadelphia Navy Yard; ;
Keywords stremgth of several pieces of ash [wood]; ;
Key Phrases ...in order to discover what effect single or double holes for bolting the floors will have on the keel of a ship when bored through the longitudinal diameter;
Transcription

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