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Fires improv'd: being a new method of building chimneys, so as to prevent their smoaking: in which a small fire, shall warm a room better than a much larger made the common way. With the manner of altering such chimneys as are already built, so that they shall perform the same effects... / Written in French, by Monsieur Gauger: Made English and improved by J.T. Desaguliers... By whom is added, the manner of making coal-fires... The whole being suited to the capacity of the meanest workman.

Gauger, Nicolas, approximately 1680-1730

Date:: 1715

Credit: Fires improv'd: being a new method of building chimneys, so as to prevent their smoaking: in which a small fire, shall warm a room better than a much larger made the common way. With the manner of altering such chimneys as are already built, so that they shall perform the same effects... / Written in French, by Monsieur Gauger: Made English and improved by J.T. Desaguliers... By whom is added, the manner of making coal-fires... The whole being suited to the capacity of the meanest workman. Source: Wellcome Collection.

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QA CHO CIES SAGAGAGS GOOD | Freres Improvd, ©, CLEA BST: Concerning Fire, its Rays of Henty-and:the way that we are warnvd by Rs CU als luminous Bodies throw out CS Rays of Light every way © 4] round, fo doesFire dart out vee every Rays ot Heat; for - aS C2 2/1 whatever way we~come : eee AS4| near the Fire, we may be ‘HET APS fenfible of their Impulfe, which gives us a Senfation of Pain when we come too near. . By the Rays of Heat, are meant, the: Pare - ticles of the Fuel which are darted from the Fire, and-are propagated round about either : ‘directly, that is when they come immediate- - ly from the Fire, or by Reflection when they are beaten back from Bodies, againft which : they ftrike; and as they are reflected they follow the fame Laws as the Rays of Light, having their Angle. of Incidence equal to that of Reflection. . OMe 27 All .

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