The Patent Shaft and Axeltree Company Est 1840
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" Costa Rica Bridge"
During our research we have uncovered the following information which I feel
will place a different light on the Patent Shaft gates and I am sure surprise
all that read the article.
I do hope you find the photos of interest
and appreciate the help of others that are gathering further
information showing the achievements made and history the Patent
Many thanks goes to Marco Alvarado who
sent in the photos,
Marco discovered the plaque on the bridge in Costa Rica.
have any comments or maybe a bit of history about the Patent
then please email to the address