RecordNumber
31116
Author
Phillips, Edmund John
Title
Railroad operation and railway signaling
Author Statement
by Edmund J. Phillips
Publication
Simmons-Boardman
Publication Year
1942
Collation
v, 214 p. : illus., diagrs
Subject
Railroads -- Signaling
LC Class
TF
LC Number
615
LC CutterNumber
.P45
LC Date
1942
وارد کنندة اطلاعات
شيدافر