The Aswân Obelisk: With some remarks on the Ancient EngineeringEngelbach, Reginald
History
The Aswân Obelisk: With some remarks on the Ancient Engineering
Engelbach, Reginald
Egypt -- Antiquities; Obelisks
(52) FONTANA (Domenico), _Della transportatione dell’obelisco
Vaticano et delle fabriche di nostro signore papa Sisto V fatte dal
cavaliere Domenico Fontana, architecto di sua Santità_.—This is a
rare book published in 1590, but a good précis is given by Lebas in
his _L’Obélisque de Louxor_ and in GORRINGE, _Egyptian Obelisks_. The
obelisk was moved from the Circus of Nero at Rome to the Piazza di San
Pietro in 1585, the method being the ‘heroic’ one of lifting it bodily
by blocks and tackles. A gigantic tower of wood, known as ‘Fontana’s
Castle’, was erected over the obelisk, being made of compound wooden
struts of a metre square in section. From the cross-beams of the tower
pairs of blocks and tackles were attached at four points along the
obelisk, which was protected by matting and planks. The obelisk was
first raised sufficiently high, being wedged as well from below, to
enable a ‘cradle’, or platform on rollers, to be introduced underneath
it. The obelisk was then lowered on to the cradle and pulled to its
new site, first down an inclined plane and thence on level ground.
The blocks and tackles were worked by a large number of capstans. The
erection was done in exactly the reverse way to the lowering. The whole
story as translated by Lebas, makes curious reading, and I cannot
resist giving a few extracts. He says (_L’Obélisque de Louxor_, pp.
178 et seq.): “Public curiosity . . . . . attracted a large number of
strangers to Rome. All roads leading to the square were barricaded,
and a _bando_ of the pope, published two days before, _punished by
death_ anybody who did not respect the barrier . . . . . On the 30^{th}
April, two hours before daylight, two masses were celebrated to {52}
implore the light of the Holy Spirit. Fontana, with all his staff,
communicated. On the eve of the lowering he had been blessed by the
Holy Father. . . . . ” Before the work began, Fontana told his workmen:
“The work we are about to undertake is consecrated to religion, the
exaltation of the Holy Cross”; thereon everyone recited with Fontana a
_pater_ and an _ave_. Gorringe comments on this (_Egyptian Obelisks_,
pp. 114 to 117) saying: “A striking scene it must have been and
_typical of that curious age_”. If, however, one compares Fontana’s
account with that of the erection of the New York obelisk, one is
struck, not with the difference, but with the resemblance between the
two ceremonies, the later one being undoubtedly more tedious to the
spectators, as there were no inquisitors and familiars waiting in a
corner, to mete out summary punishment to anyone misbehaving.
GARDINER (Dr. Alan), _Egyptian Hieratic Texts_, Part I.—On paragraphs
XII, XIII and XIV, some details are given as to the removal of an
obelisk from a quarry, the removal of sand from under a colossus during
erection and the construction of an embankment of brickwork, set as
problems by one scribe to another. The relevant passages are quoted _in
extenso_ in sections 28 and 35.
Public-domain text, read in full here on John Shaqi.
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