Catalogue of dental materials, furniture, instruments, etc., for sale . experience, observation, criticism, and experi-ment, and we have no hesitation in claiming that it combines more and greater advan-tages—some of them long in use, others the result of new inventions and combinations—than any other Dental Chair ever offered, and without any objectionable feature. It requires no pawls, and each change of position is maintained without liability ofslipping. It can be changed easily and rapidly from its lowest position, 21J inches fromthe floor, to its highest, 32\ inches, or the reverse, havi
Catalogue of dental materials, furniture, instruments, etc., for sale . experience, observation, criticism, and experi-ment, and we have no hesitation in claiming that it combines more and greater advan-tages—some of them long in use, others the result of new inventions and combinations—than any other Dental Chair ever offered, and without any objectionable feature. It requires no pawls, and each change of position is maintained without liability ofslipping. It can be changed easily and rapidly from its lowest position, 21J inches fromthe floor, to its highest, 32\ inches, or the reverse, having a vertical range of 11 may be thrown with equal facility into oblique positions, without disturbing theadjustment of the parts. A special and valuable feature of this Chair is the Adjustable Back, which may beeasily raised or lowered 7 inches, or varied in its angle, at pleasure, to give supportwhere most needed tothe body of the patient; these movements not interfering in anyway with the adjustment of the Head-Rest or the Seat. DENTAL CATALOGUE. 243. The Foot-Board is self-sustaining at any point in its range, which is 7. inches, andcan be adjusted by the patient, at pleasure, when not under operation; it terminates inan additional fixed Rest, 6 inches above the platform, having an easy passage under it forthe feet, and giving an opportunity to ease the limbs by a change of position. To thisadditional Rest is attached a supplementary Foot-Bar, pivoted so that it can be thrownup 12 inches above the platform, thus bringing it level with the Seat, and shortening thedistance for children. When in use it is locked in place by the Spring-Pins MM, whichneed only be lifted, to swing the Bar under the Foot-Board out of the way. Thewhole body of the Chair revolves on its Base, and can be locked firmly at any point. The Head-Rest is well shown by Cuts and description on page 244. A is the Shaft by which the Chair, above the Base, may be raised 11 inches. S, the Shaft by
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Keywords: ., bookcentury1800, bookdecade1870, bookidcatalogueofd, bookyear1876
