XC Patent: 6 - Machine or instrument called 'Loch Terrestre,' for accurately ascertaining the number of rotatory motions or revolutions of carriage-wheels, millstones, &c.


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XC Patent: XC-6

Machine or instrument called 'Loch Terrestre,' for accurately ascertaining the number of rotatory motions or revolutions of carriage-wheels, millstones, &c.

Patentee:

Charles Laurier (exact or similar names) - La Chenaye Parish, Montréal, QC Canada

USPTO Classifications:

Tool Categories:

industrial tools : rpm speed gauges and tachometers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Oct. 31, 1826

Patent Pictures:

Report data errors or omissions to steward Jeff Joslin
Patent description