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US Patent: 280,256
Steam-engine indicator
Patentee:
Ladislav Stanek - Prague, Bohemia, Austria-Hungary

USPTO Classifications:
346/5

Tool Categories:
propulsion and energy : steam apparatus : steam indicators

Assignees:
American Steam Gauge Co. - Boston, MA

Manufacturer:
American Steam Gauge Co. - Boston, MA

Witnesses:
Ladislav Hajnis
Sobeslav Pinkas

Patent Dates:
Applied: Mar. 15, 1883
Granted: Jun. 26, 1883

Patent Pictures:
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"Vintage Machinery" entry for American Steam Gauge Co.
Description:
This patent uses a swivel pulley to allow the cord to enter the indicator from almost any angle, which simplified the setting up of an engine and allowed greater adjustability of the engine without having to also adjust the indicator. According to a catalog of the American Steam Gauge Co., "We are the sole owners of the swivel pully, having purchased the United States patent from the patentee..."

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