FIRE PREVENTION EMBLEM GRINNELL DRY VALVE SPRINKLER PIPE SYSTEM SIGN
Old brick warehouse fire prevention emblem ceiling sprinkler pipe system sign. Grinnell Dry Valve Accelerator Depression Era advertising piece. Raised letter early aluminum with steel hanging chain. Two Auxiliary Drain Grinnell Sprinkler System painted steel small signs.
Dealer accepts: Money Order, Check, PayPal
Shipping: Negotiated with Seller