Examination of employees' [sic] for promotion
Subtitle: questions for conductors, engineers and train despatchers and new rules for block and interlocking signals
Publisher: H. A. Britton Co.
Published: 1909
Place of publication: London [Ont.]
Language: eng
Number of pages: 62
Other titles: Catechism on the general train and interlocking rules : the complete questions and answers for employees' promotion examination