Colonel George Claghorn's letter regarding dimensions and type of frigate timbers
Document 1795Joshua Humphreys reports that he has considered the letters of Colonel George Claghorn, naval constructor of Boston. He discusses the dimensions of frigate timbers, and the merits of oak timbers and pine timbers. He concludes that there is no impropriety in reducing the timber size by a small margin.
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Navy Yard 21 August 179[?]
Sir,
I have considered Colo Cleghoms letters of the 9th July and 7th of August, with attention, and am of opinion that if none of the timbers were less than the directions, sideways, they may be put in the ship, if in every other respect they are good and not too great a deviation from the dimensions; in this I would recommend discretionary power with Mr Cay[?].
The objections that were stated to the strength of pine beams, were no cause why they were made one inch larger than at first intended; the dimension of the pine was never altered for the Oak, and as reducing the size of the Oak will tend to durability, I conceive there will be no impropriety in making them 15 by 17, which is only halften inch larger than Colo Cleghorne wishes, the others in the same proportion.
(signed) Joshua Humphreys
The Honble Timothy Pickering Esquire.
[Mr Josiah Fox
North Virginia.]
War Office August, 27, 1795.
Sir
Your two letters of the 14 & 18 inst. and the enclosures have been received.
The Secretary of War has no objection that you visit Philadelphia; you have his permission accordingly. Your pay will be sent by tomorrow post to Colo Carrington the Supervisor at Richmond who will forward it to you without delay.
(Signed) John Stagg Junr
Type
Letterbook
Description
Joshua Humphreys reports that he has considered the letters of Colonel George Claghorn, naval constructor of Boston. He discusses the dimensions of frigate timbers, and the merits of oak timbers and pine timbers. He concludes that there is no impropriety in reducing the timber size by a small margin.
Date
08/21/1795
Author
Recipient
Sent from
Navy Yard
Document number
1795082140055
Page start
130
Notable persons
Timothy Pickering
Joshua Humphreys
George Claghorn
Claghorne
naval constructor
Notable locations
Navy Yard Philadelphia
Boston
Notable items
frigate
timbers
live oak
pine

