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Roydon Vincent
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Railway shop kinks
Wright, Roydon Vincent · Railway age gazette
290 sayfa · 1911
Machine-shop practice / Railroad / Repair shops / Railroad repair shops
Material handling cyclopedia
Wright, Roydon Vincent, John G. Little · Simmons-Boardman Publishing Co.
846 sayfa · 1921
Hoisting machinery / Conveying machinery
How to be a responsible citizen
Wright, Roydon Vincent · Association press
203 sayfa · 1938
Citizenship / Civics / Handbooks, manuals / Politics and government
The engineer's duty as a citizen
Wright, Roydon Vincent · Printed at the Newark College of Engineering Press
67 sayfa · 1935
Citizenship / Engineering / Engineers
Locomotive dictionary
Roy V. Wright, Porter La Forrest Swift, Roydon Vincent Wright, American Railway Master Mechanics' Association · Simmons-Boardman publishing company; [etc., etc.
901 sayfa · 1912
Locomotives / Dictionaries