REMOVE

1. Wig Wags

WHAT

1. GMO (1)
2. Operations (1)
3. Protective Signal Manufac … (1)
4. Signals (1)

WHERE

1. East Ely Yard (1)

WHO

1. Backe, C.W. (1)
2. Cannon, L.G. (1)
3. Roper, F. (1)
4. Smith, M.L. (1)

WHEN

1. 1910s (1)