CHARLES N. PICKWORTH

WHITWORTH SCHOLAR; EDITOR OF “THE MECHANICAL WORLD”; AUTHOR OF

“LOGARITHMS FOR BEGINNERS”; “THE INDICATOR: ITS CONSTRUCTION AND

APPLICATION”; “THE INDICATOR DIAGRAM: ITS ANALYSIS AND CALCULATION,”

ETC.

_SEVENTEENTH EDITION_

MANCHESTER:

EMMOTT AND CO., LIMITED,

65 KING STREET;

NEW YORK:

D. VAN NOSTRAND CO.,

8 WARREN STREET.

LONDON:

EMMOTT AND CO., LIMITED,

20 BEDFORD STREET, W.C.

AND

PITMAN AND SONS, LIMITED,

PARKER ST., KINGSWAY, W.C. 2.

[_Three Shillings and Sixpence net_]

_All rights reserved._

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