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US Patent: 568,784
Automatic Recording Instrument
Patentee:
Edward L. Miller (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
346/113, 346/17, 346/4, 73/712, 73/732

Tool Categories:
propulsion and energy : steam apparatus : steam engine indicators
industrial machines : industrial recording apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 10, 1893
Granted: Oct. 06, 1896

Patent Pictures:
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The Story of the Steam Engine Indicator

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