A nurse's handbook of obstetrics, for use in training-schools . e; T, cover over opening at end of box, shorter than aperture whichadmits air; V, glass cover; 5, 6, buttons by which cover is easily lifted; H, wheel revolvedby escaping air. The incubator is nothing but a minature room in which theinfant can lie, and is so arranged that its temperature can beraised to any desired degree, while its interior can always beinspected through a glass in the top (Figs. 151 and 152). Be-yond this ability to control the temperature perfectly the only * A modification of the Auvard incubator, known as the
A nurse's handbook of obstetrics, for use in training-schools . e; T, cover over opening at end of box, shorter than aperture whichadmits air; V, glass cover; 5, 6, buttons by which cover is easily lifted; H, wheel revolvedby escaping air. The incubator is nothing but a minature room in which theinfant can lie, and is so arranged that its temperature can beraised to any desired degree, while its interior can always beinspected through a glass in the top (Figs. 151 and 152). Be-yond this ability to control the temperature perfectly the only * A modification of the Auvard incubator, known as the Cookeincubator, has been devised by the author and is manufactured byKnauth Brothers, 220 Fourth Avenue, corner Eighteenth Street, NewYork, from whom it may be either rented or purchased. 292 A NURSES HANDBOOK OF OBSTETRICS. other essential feature of a satisfactory incubator is the appa-ratus which provides for its thorough ventilation. The incubator is usually heated by means of hot water, andthis either circulates through a system of pipes, one portion of. Fig. 152.—Tarniers incubator, interior. E, wet sponge; P, partition between lower andupper compartments ; A, tube for escape of air; T, M, V, 6> b, as in Fig. 151. which is exposed to a gas or alcohol flame, or the hot wateris placed in tanks or bottles in the lower part of the incubator(Fig. 153) and renewed as often as it cools. In hospitals,
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