A WATT-TYPE ENGINE INDICATOR
A WATT-TYPE ENGINE INDICATOR

ENGLISH, FIRST HALF 19TH CENTURY

Details
A WATT-TYPE ENGINE INDICATOR
ENGLISH, FIRST HALF 19TH CENTURY
the felt-lined case, possibly imcomplete, includes two valves, indicator cylinder, panel, weight, seven springs (two of which contain manuscript notes inside), and other parts.
the case 15in. (38.5cm.) long

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