[Draft report] London [to] Navy Board/S Goodrich, [re] Mr Barton's Piston etc. [With copy correspondence, 1826 Apr-Nov, re same:]

- [Letter] Apr 25, Seward Street, Goswell Street [to] Navy Comm[issioner]s/John Barton

- Minute, May 3, [Navy Board, to Woolwich Yard Officers]/J T, R S

- Extract [of letter] May 11, Woolwich Yard [to Navy Board]/H[enr]y Canham, John Peake

- [Pr�cis of minute to J Barton/Navy Board]

- [Letter] Jul 29, Soho, Birmingham [to] Navy Board/Wm Creighton pp. Boulton Watt & Co

- [Letter] Jul 25, Lambeth [to] Navy Com[missioner]s/Henry Maudslay

- [Pr�cis of minute to Mr Barton/Navy Board]

- [Letter] Nov 7, Seward St, Goswell St [to] Navy Com[missioner]s/John Barton

- [Minute to Mr Barton/R P, R G, J N of Navy Board]

- [Letter] Seward Street, Goswell Street [to Navy Board]/John Barton

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