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  • image SM 54/6/47

Reference number

SM 54/6/47


[12] Design for roof timbers, St Peter's, Walworth, London, September 1822


Sectionsof trusses. The pen and pencil sketch shows a small detail of the truss up to the first hammer post. The middle elevation shows an expansion of this scheme to include rafters, struts, and purlins. The bottom elevation is an expansion to reveal multiple support trusses, horizontal beams, and vertical slats with the main horizontal, and the hip rafter


bar scale of 11/4 inches to 1 foot


Design for the Roof of St. Peter's Church. Walworth.

Signed and dated

  • September 1822
    Sept. 1822.

Medium and dimensions

Pencil, pen, coloured washes of orange and yellow, pricked for transfer on wove paper (731 x 524)


Possibly Mocatta, David Alfred (1806--1882), draughtsman
Some of the letter forms are similar to other Mocatta drawings and from the Office Day Books, such as the upper case -P and -C, and the looped -C followed by unlooped lower case -h in church




This side view of the truss shows that three and a half trusses measured half the roof space 44 ft 9 in, and therefore seven such trusses would be used in total with the first two supporting the incline of the pitch of the roof.



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