LANA TERZI, Francesco (1631-1687). Prodromo overo Saggio di alcune inventioni nuove premesso all' arte maestra. Brescia: Rizzardi, 1670.
LANA TERZI, Francesco (1631-1687). Prodromo overo Saggio di alcune inventioni nuove premesso all' arte maestra. Brescia: Rizzardi, 1670. 2° (309 x 207mm). 20 engraved plates, woodcut initials and head- and tailpieces. (Some light marginal worming, light, mainly marginal spotting.) Contemporary vellum (repairs to spine, slightly soiled, new endpapers.) Provenance : inscription/stamp removed from title. FIRST EDITION of an important work in the history of aeronautics. In the Prodromo Lana Terzi presented several technological innovations, of which the best known is his proposal for a 'flying boat,' to be airborne by four spheres of thin copper from which air had been exhausted. Although the vehicle was never tested, and would have proved unworkable, since the copper would not have been able to withstand the atmospheric pressure, Lana Terzi's reasoning was correct. In surmising that a vessel containing a semi-vacuum would weigh less than the surrounding air and would consequently become buoyant, Lana Terzi formulated the earliest concept of flight based on aerostatic principles. 'While Lana apparently originated the method of reducing air density in a vessel by heating it, the implications of this phenomenon in relation to flight were not fully understood until the advent of the Montgolfier brothers a century later' (Norman). Dibner, Heralds 176; Norman 1272; Wellcome III, 440.
LANA TERZI, Francesco (1631-1687). Prodromo overo Saggio di alcune inventioni nuove premesso all' arte maestra. Brescia: Rizzardi, 1670.
LANA TERZI, Francesco (1631-1687). Prodromo overo Saggio di alcune inventioni nuove premesso all' arte maestra. Brescia: Rizzardi, 1670. 2° (309 x 207mm). 20 engraved plates, woodcut initials and head- and tailpieces. (Some light marginal worming, light, mainly marginal spotting.) Contemporary vellum (repairs to spine, slightly soiled, new endpapers.) Provenance : inscription/stamp removed from title. FIRST EDITION of an important work in the history of aeronautics. In the Prodromo Lana Terzi presented several technological innovations, of which the best known is his proposal for a 'flying boat,' to be airborne by four spheres of thin copper from which air had been exhausted. Although the vehicle was never tested, and would have proved unworkable, since the copper would not have been able to withstand the atmospheric pressure, Lana Terzi's reasoning was correct. In surmising that a vessel containing a semi-vacuum would weigh less than the surrounding air and would consequently become buoyant, Lana Terzi formulated the earliest concept of flight based on aerostatic principles. 'While Lana apparently originated the method of reducing air density in a vessel by heating it, the implications of this phenomenon in relation to flight were not fully understood until the advent of the Montgolfier brothers a century later' (Norman). Dibner, Heralds 176; Norman 1272; Wellcome III, 440.
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