1930's Golden Gate Bridge Rivet Sewing HRL conducted classified research for

HRL conducted classified research for Bethlehem Steel in thermodynamics

had looms set up at the Fair to weave a silk Commemorative ribbon showcasing their award winning ingenuity & machinery with silk manufactured by the Phoenix Silk Manufacturing Company which had locations in Patterson

at the Coatesville

Manufacturer:  Brockway Motor Truck Co

Their invention

1930's Golden Gate Bridge Rivet Sewing HRL conducted classified research forThis Old Rivet is from the original construction of the Golden Gate Bridge from the 30s, later replaced with bolts, retrofitted in the 70s. The ironworker who removed the rivet in the 70's sandblasted it clean, brass plated it to preserve a piece of history. The Golden Gate Bridge holder stand which doubles as a card holder letter holder is 100% Brass. Cool one of a kind desk accessory. The Golden Gate Bridge was constructed between 1933 1937, built