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.
>

A good library that specializes in technology is the Hagley Museum and
Library in Wilmington, Delaware.  They have thousands of trade catalogs
that can help you identify your equipment, as well as an extensive
library on the history of technology.


--
M. A. van Balgooy
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