5 pages of unsigned specification for the 1745 Establishment, amended in July 1750 and October 1752.
In black ink are shown the 1745 Establishment dimensions.

In red ink in the 6 first columns are shown the alterations and variations proposed for building three 90, one 80, one 70 and two 60-gun ships.
These ships are identified as follows:
- 90-gun ships (143' 3"): Neptune (1756) and Union (1756)
- 80-gun ship (139' 3"): Cambridge (1755)
- 70-gun ship (131' 6 1/2"): Chichester (1753)
- 60-gun ships (127' 1 3/4"): Dunkirk Class (1757) [Dunkirk, Achilles, America? (1757)]
Plus:
- one 50-gun ship (120' 8 1/2"): nearest dimensions is Romney (1762)

In the last 3 columns in red ink are shown the dimensions for two 60 and one 50-gun ship "order to be built. Octo. Anno 1752":
- 60-gun ship (129' 0") mentionned as Rippon (1758)
- 60-gun ship "similar to Monarch" (132' 6") : Pembroke (1757)
- 50-gun ship (124' 0") : Chatham (1758)

The dimensions in green ink in the 5th column (60-gun ship) are a duplicate of Rippon's ones in the 7th column.

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