intact and functional refinished wrought steel "adlake" padlock made for the penn central railroad. fabricated by the the adams & westlake co., chicago, il. the six-lever padlock retains the original swinging keyhole cover. the cast barrel bronze key contains lightly incised lettering representing the railroad the lock was assigned and/or made for. likely used for securing a "signal" box, boxcar shipments, or possibly luggage compartments. shackle is comprise of steel. measures approximately 3 1/2 x 3 inches.