====== Patent XC-2987: 1869-01-16, Rotary steam engine ======

^ X Number      ^ Date       ^ Inventor       ^ City             ^ Title  ^
| XC-2987       | 1869-01-16 | R. A. Ptolemy | Tapleytown, ON Canada | Rotary steam engine |
| | | J. Ptolemy | Tapleytown, ON Canada |  |


===== Comments =====

Tapleytown was near Hamilton.
XC patents are Canadian patents issued between 1824 and 1869.

===== Information Sources =====

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===== External links =====