273
Fig. 16.5 Autograph sketch by Father Angelo Secchi depicting the disposition of thermometers
and the system of copper wires [1870] (APUG, Carte A. Secchi, cart. 2, fasc. XI “P(adr)e Angelo
Secchi S. J Memoria per tutelare dagl’incendi la nuova Basilica di S. Paolo”)
set of pumps with water reservoirs positioned at various points in the building
(Fig. 16.5).
The system, called apparecchio di salvamento in caso di incendio (apparatus for
rescue in case of fire), was built between 1869 and 1875 by the firm of Giacomo
Luswergh and remained in operation until 1890. At that time it was abandoned and
16 Secchi’s Science in the Service of the Public
Fig. 16.5 Autograph sketch by Father Angelo Secchi depicting the disposition of thermometers
and the system of copper wires [1870] (APUG, Carte A. Secchi, cart. 2, fasc. XI “P(adr)e Angelo
Secchi S. J Memoria per tutelare dagl’incendi la nuova Basilica di S. Paolo”)
set of pumps with water reservoirs positioned at various points in the building
(Fig. 16.5).
The system, called apparecchio di salvamento in caso di incendio (apparatus for
rescue in case of fire), was built between 1869 and 1875 by the firm of Giacomo
Luswergh and remained in operation until 1890. At that time it was abandoned and
16 Secchi’s Science in the Service of the Public