Un compte rendu descriptif et historique des machines hydrauliques et autres pour lever l'eau, anciennes et modernes : avec des observations sur divers sujets liés aux arts mécaniques: Y compris le développement progressif du moteur à vapeur . théâtres éclairés et bains— ce qui a décoré les salles de banquet des riches patriciens, comme le glimmered dans les logements des plébères; le premier sont en bronze, travaillé avec soin et enrichi, le dernier principalement de l'art. La fertilité de la conception affichée dans ces ustensiles est merveilleuse.Toute la nature semble avoir été saccagée pour devi

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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 . illuminated theatres andbaths—that decorated the banqueting-rooms of wealthy patricians, as wellas such as glimmered in the dwellings of plebeians; the former are ofbronze, elaborately wrought and enriched, the latter mostly of earthen-ware. The fertility of conception displayed in these utensils is wonderful.All nature seems to have been ransacked for devices, and in modifying Hhap. 1.] Bellows Pumps from Kircher. S45 them, tlie imaginations of the designers ran perfectly wild ; while manyare in their forms and decorations excjuisitely chaste, others are bizarreand «ome are obscene. There is one of bronze on which an individual iarepresented blowing the flnme with his mouth, as in the act of kindling afire: and in another the artist has introduced, as an appropriate embellisih-nient, a person performing the same operation with a pair of bellows, ofprecisely the same form as those in our kitchens. No. 108 is a figure f>fthis lamp, from tlie 5th volume of Montfaucons Antiquities.. No. lUd. ISellows figured on a Roman Lamp. No. 109. Bellows Forcing Pumps (lom Kircher An example of the application of such bellows as atmosj)heric pumpshas already been given, page 207. Tiie adjoining figure (No. 109) is copiedfrom Kirchers Mundus Subterraneus, torn, i., p. 230, Amsterdam, 16G5 :it represents two large bellows employed as sucking and forcing pumps, being worked by a water wheel, to the axis of which the crank represented was attached. Bellows like the last and worked in a similar manner, were among an-cient devices for ventilating mines : the various modes of adapting themto the purpose may be adduced as another example of their analogy topumps. Sometimes they were used to force down fresh air in sufficientquantities to render the

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