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  • image SM volume 26, p. 7

Reference number

SM volume 26, p. 7


Reconstruction of the Pantheon in Rome in Republican times, before the addition of the portico


1 Plan


In inch to about 37 feet (drawn scale)


By Gibbs, in pen and brown ink over pencil, with letters A to E, and below the sheet at the foot of p. 7: A. Plan of the Temple, as it is supposed to have ben befor Agrippa made ye Portico. / B. The Entry to ye Temple, shewing ye steps going up to it, and the great niches on each side of it, and ye stairs behind them going up to the Roofe. / C. Recesses in which wer many niches wher they placed their dietys. / D. The opening atop which gave light to the Temple. / E. Vacances in the brickwork, to save materials; and below the margin with pencil notes by Arthur Bolton (1930s).

Signed and dated

  • 1740s

Medium and dimensions

Pen and grey ink with grey wash over faint pencil, with brown ink for dotted line of central oculus, and for inscriptions; on laid paper; 180 x 150.


James Gibbs


Strasbourg bend


This plan is an adaptation of that published by Fontana, Il Tempio Vaticano, 1694, p. 457, lower. Gibbs has added niches within the semicircular recesses inside the building and has omitted the circuit of internal steps near the perimeter of the main-floor plan. The internal niches are shown in Fontana's section, on p. 467 (see 3, below), so Gibbs is here correcting his former Italian master's representation of the building in plan.



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