Moving the obelisks : a chapter in engineering history in which the Vatican obelisk in Rome in 1586 was moved by muscle power, and a study of more recent similar moves / by Bern Dibner.
Pubblicazione:
Norwalk : Burndy library, 1952.
Descrizione fisica:
61 p., [1] c. di tav. in pt. ripieg. : ill. ; 28 cm