steam engine indicator diagram cards
Date: 1902-1925
Inventory Number: 2012-1-0008
Classification: Steam Engine Indicator
Maker: American Steam Gauge & Valve Manufacturing Company (fl. 1902-1925)
User: Lyman Laboratory of Physics, Harvard University (founded 1931)
User: Department of Physics, Harvard University (founded 1884)
Cultural Region:
Place of Origin:
City of Use:
Dimensions:
each: 18.4 × 8.3 × 0.1 cm (7 1/4 × 3 1/4 × 1/16 in.)
Material:
Description:
These indicator cards were stored in the tray at the top of the equipment case for pair of American Thompson Improved Indicators (1996-1-0253).
SignedAMERICAN STEAM GAUGE AND VALVE MFG. CO. / NEW YORK. BOSTON. CHICAGO./ EXCLUSIVE MANUFACTURERS OF / American Thompson Improved Indicator. / (Original Thompson Indicator.)
Historical AttributesUsed in the Physics Department of Harvard University.
ProvenanceFrom the Department of Physics, Lyman laboratory, Harvard University.