Twenty years with the indicator.
By Thomas Pray, jr. ...

Description

Main Author

Pray, Thomas, Jr.

Language(s)

English

Published

Boston, Mass., Boston journal of commerce publishing company; 1883-85.

Subjects

Indicators for steam-engines.

Note

Vol. 2, "Published by the author", has imprint New York, J. Wiley and sons; [etc., etc.] 1885.

Physical Description

2 v. illus., diagrs. 26cm.

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