Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 147
is so frequently the casewhere signs are_ placed on the side ofthe roadway. These warning signals are built offlexible steel strips six inches wide bythirty Inches high, secured at thebottom by a heavy sill, embedded in theroadway. Th* uprights or pickets being madeof flexible steel will yield if… … will last a life time, and when paintedwith liuninoua white paint are readilyseen at night. Ijuminous paint hasproved its worth on the Europeanbattlefield. The number .of accidetns at railroadcrossings is astounding and the figuresare increasing every year. Some sim-ple inexp«nsive signal device is…
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