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GB Patent: GB-179,802,261
Improvements in the construction of steam engine cylinders and valves
Patentee:
Francisco Rapozo - Lisbon, Portugal

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 27, 1798

Patent Pictures:
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Description:
The inventor, whose surname was also spelled "Raposo", was "captain of engineers in the service of Her most Failthful Majesty", i.e., Queen Mary I of Portugal.

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