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Subject:
Re: Water ram
From:
underhill roy e <[log in to unmask]>
Reply To:
Museum discussion list <[log in to unmask]>
Date:
Thu, 10 Apr 1997 10:02:47 -0400
Content-Type:
TEXT/PLAIN
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TEXT/PLAIN (22 lines) 
Lynn

Appleton's 1880 Cyclopedia of Applied Mechanics has several pages on
Hydraulic Rams. A manual version of the device was apparently invented by
an English watchmaker in 1772, and the automatic version (what my father
called a "water hammer") was invented by Montgolfier in 1796. If you will
send me your earthly address I can mail you a copy.

Roy Underhill

On Thu, 10 Apr 1997, Lynn Norris wrote:

> We have just received a water ram (a gravity pump used in mountain
> springs).  If anyone knows of good places to research this beast.  Please
> let me know.
>
> Thanks,
>
> Lynn Norris
> [log in to unmask]
>

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