Patent GB-1867-1291

"H. W. Grylls" is interpreted as the Henry William Grylls of Patent GB-1868-3677; J. W. Brooks could be the Jesse William Brooks of Patent US-1903-741762 but the timing and location (Texas) of the latter applicant makes this identification questionable.

Sources

• Abridgment of patent specifications 1867–76 (1903), Class 4, pp. 2–3: 1291. Grylls, H. W., Neville, H., Brooks, J. W., and Holt, J. May 3. [Provisional protection only.] Motors. - Relates to apparatus for obtaining motive power for the propulsion of balloons and other aerial machines, and for general purposes. A series of springs, each of which may be wound separately, are mounted on a central shaft in drums or cylinders carrying toothed wheels from which motion is transmitted to a pulley shaft for driving the vehicle or machinery. To enable the motion to be reversed, the central shaft is mounted on hinged standards, so that the toothed wheels on the spring drums can be brought into engagement with another set of pinions when reversal is required.

Year filed	1867
Year granted
Office	GB
Patent number	1291
Inventors	Henry William Grylls, H. Neville, J. W. Brooks, J. Holt
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Applicant type	INDIV
Applicant is inventor?	1
Original title
English title	[Propulsion system using springs and wheels]
Tech fields	propulsion, springs
Filing date	1867-05-03
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Granted?	1
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Related to aircraft?	1
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National tech categories	GB 4
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Family year	1867
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