Pages 86 and 87 of the Notebook of John Urpeth Rastrick

Pages 86 and 87 of the Notebook of John Urpeth Rastrick

John Urpeth Rastrick

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Identifier:
RAST/47
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[Page 86]

at [illegible] Pounds per square Inch then would the Rocket be at [illegible] Horse Power and of course the Wildfire would be a [illegible] Horse Power, at this rate [illegible] Pounds would be the Power of this Engine at [illegible] Miles per hour and [illegible] Pounds would be the Friction, per Ton for the Carriages.
Again if we take the effective Pressure at only [illegible] Pounds per square Inch on the Steam Pistons, then would the Rocket be a [illegible] horse Power and the Wildfire a [illegible] Horse Power

[Page 87]

at this rate [illegible] Pounds would be the Power of this Engine at [illegible] Miles per hour and [illegible] Pounds would be the Friction of the Carriages per Ton.
Now either this Engine is enormously deficient in Power or the Carriages are the Very Worst I ever met with.

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