Gilbert Catalog
Price in 1946: Unlisted
As train approaches, flagman moves forward, tampers move back, stop work. After train passes, men start work. Has shut-off switch. Size 10" x 3 3/4" x 2 1/2".

Price in 1947: Unlisted
As train approaches, flagman moves forward, tampers move back, stop work. After train passes, men start work. Has shut-off switch. Size 10" x 3 3/4" x 2 1/2".