Specification of William Clark : inhaling apparatus.

  • William Clark
Date:
1864
Catalogue details

Licence: Public Domain Mark

Credit: Specification of William Clark : inhaling apparatus. Source: Wellcome Collection.

    4/6 (page 2)
    2 A.D. 1804.—N° 340. Provisional Specification. Clark's Impts. in Apparatus for Inhaling Air when charged with Vapours. This improved apparatus is represented in the accompanying Drawing, Figure 1 of which shows a side elevation of one arrangement; Fig. 2 a central vertical section of same; Fig. 3 a plan ; Fig. 4 shows the end of the inhaling tube furnished with a mouthpiece of glass, porcelain, or other suitable material, while Figs. 5 and 6 show the ends of inhaling tubes, the one straight and the 5 other curved, each having an india-rubber mouthpiece. The same letters of reference indicate like parts seen in different positions in the several Figures. a, cylindro-conieal vessel for receiving the medicinal or pharmaceutical liquids through which the air first passes ; 5, tube for introducing air into the liquid ; the upper part of this tube is funnel-mouthed for facilitating its entry ; io c, cover or upper part of the apparatus soldered to the body, and to which also is soldered a tube d, serving for the inhalation of air; e, inner rim or flange on the end of tube d, for preventing the particles of water with which the air is charged from entering the mouth of the aspirator, it also prevents the end of tube d from injuring the mouth;/, handle for carrying the 15 apparatus; g, mouthpiece of porcelain, glass, or other plastic material, for which may be substituted a covering h of india-rubber. It will be readily understood that by applying the mouth to the end of tube d air may be « » inhaled by means of tube b through the mass of liquid passing out, as indicated by the arrows, through same tube d} charged with the particles 20 contained in said liquid. LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen’s most Excellent Majesty. 1864.