Train whistles / Sattler, Helen Roney

Author:

ISBN13: 
9780688039783
9780688039806
9780688518080
LCCN: 
77002163
Compare Title: 
trainwhistlesalanguageincode
Call Number: 
385

Train whistles

a language in code
  • Sattler, Helen Roney
1977
Describes the use of train whistles as signals, and what some of these signals mean.

Train whistles

a language in code
  • Sattler, Helen Roney
1985
Describes the use of train whistles as signals and what some of these signals mean.
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