Specification of John Henry Johnson : apparatus for preventing sea sickness.

  • Johnson, John Henry
Date:
1864
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Henry Johnson : apparatus for preventing sea sickness. Source: Wellcome Collection.

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    Provisional Specification. Johnsons Improvements in Apparatus for Preventing Sea Sickness. suspended platform ; these elastic cords or suspensory springs are secured to the masts or to special supports. Other elastic cords or springs disposed horizontally, and attached to the sides of the platform and to the masts or other suitable fixed points, serve to prevent any oscillating motion of the platform during the rolling of the ship. The platform may either be sus- 5 pended above the deck line, when a ladder or flight of steps also supported by elastic cords or springs is required to gain access to the platform, or the floor of the platform may be level with the deck, a well or cavity being made in the deck beneath the same to allow of vertical play. These suspended platforms may be roofed in or left open, and provided with seats, beds, and other con- 10 veniences for voyagers. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said John Henry Johnson in the Great Seal Patent Office on the 6th February 1864.] TO ALL TO WHOM THESE PRESENTS SHALL COME, I, John 15 Henry Johnson, of 47, Lincolns Inn Fields, in the County of Middlesex, Gentleman, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters Patent bearing date the Seventh day of August, in the year of our Lord One thousand eight hundred and sixty-three, in the twenty-seventh year of Her 20 reign, did, for Herself, Her heirs and successors, give and grant unto me the said John Henry Johnson, Her special license that I, the said John Henry Johnson, my executors, administrators, and assigns, or such others as I, the said John Henry Johnson, my executors, administrators, or assigns, should at any time agree with, and no others, from time to time and at all times 25 thereafter during the term therein expressed, should and lawfully might make, use, exercise, and vend, within the United Kingdom of Great Eritain and Ireland, the Channel Islands, and Isle of Man, an Invention for “Improve¬ ments in Apparatus for Preventing Sea Sickness,” a communication to me from abroad by Henry Giffard, of Paris, in the Empire of France, upon 30 the condition (amongst others) that I, the said John Henry Johnson, my executors or administrators, by an instrument in writing under my hand and seal, or under the hand and seal of one of them, should particularly describe and ascertain the nature of the said Invention, and in what manner the same was to be performed, and cause the same to be filed in the Great 35