A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine (1876)
Ewbank, Thomas, 1792-1870 · New York : Scribner, Armstrong · leaf 401
usinian mysteries were parti-cularly required to wa«h their hands in holy water. In the middle ayeathe liquid was a source of considerable profit to monks, and it was evena custom for clerks and scholars to hawk it for sale. From Herons de-scription of the following figure, (No. 178.) we learn that… … childs money box provided witli a slit at tlie top, through which a cf-rtair,sum was to be put before tliC donor could receive any of the purifVinicontents. In the vase Ijefore us five drachmce, or about seventy-fiv •»cents, were required, and it will be perceived from the construction of…
Pumping machinery
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