Specification of William Estor and Charles Thomas Pearce : disinfecting or deodorizing.

  • Estor, William.
Date:
1869
Catalogue details

Licence: Public Domain Mark

Credit: Specification of William Estor and Charles Thomas Pearce : disinfecting or deodorizing. Source: Wellcome Collection.

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    Specific&fctO'D.. s Estor Sf Pearce s Improvements in Disinfecting or Deodorizing. executors or administrators, by an instrument in writing under our, or their, or one of their hands and seals, should particularly describe and ascertain the nature of the said Invention, and in what manner the same wras to be performed, and cause the same to be filed in the Great 5 Seal Patent Office within six calendar months next and immediately after the date of the said Letters Patent. NOW KNOW YE, that we, the said William Estor and Charles Thomas Pearce, do hereby declare the nature of our said Invention, and in what manner the same is to be performed, to be particularly described 10 and ascertained in and by the following statement and the Drawings therein referred to (that is to say) :— Our Invention has for its object a convenient and effectual method of disinfecting the air (of sick rooms, hospitals, churches, chapels, lecture rooms, theatres, ships, cabs, carriages, or omnibuses) which has become 15 vitiated or infected by fever, sewer gas, mephitic or other noxious exhalations, as also purifying or deodorizing clothing or similar articles from contagious effluvia by the evolution of gases generated by heat in a simple, ready, and inexpensive manner, and consists of a cup or vase of any convenient size, externally coated with finely divided 20 charcoal (mixed with adhesive substances, such as gum, starch, or gelatine) and powdered or liquid sulphur, which is dried in a hot room ; the interior of the cup is partly filled with chloride of lime, from which sulphurous acid gas and chlorine are liberated, filling the apartment and thereby destroying all infection, animalculse, vegetable and animal 25 spores, and leaving the atmosphere pure. And in order that our said Invention may be more fully understood and readily carried into effect, we now proceed to describe the same by aid of the accompanying Drawings, reference being had to the letters and figures thereon marked (that is to say) — 30 Pig. 1 represents a front view of the disinfecting cup in accordance with our said Invention; Pig. 2 a top or plan view thereof; Pig. 3 a transverse vertical section taken through the dotted line in Pig. 2; Pig. 4 a perspective view of the cup, showing the mode of igniting the external composition and disinfecting substances from which the disinfecting 35 gases are eliminated; and Pig. 5, outer case or wrapper inclosing the cup, having the lid or cover removed, and separately shown at Pig. 6. In each Pigure the same letters of reference denote similar corresponding parts.