– Vintage aluminum hard hat | – Manufactured by B.F. McDonald Co., Los Angeles | – Patent numbers engraved: 2,177,145; 2,248,366; 2,415,214; D118,432 | – Original interior suspension and leather headband | – Shows minor surface wear and light scratches | – Classic industrial safety collectible
Vintage B.F. McDonald Los Angeles Aluminum Hard Hat w/ U.S. Patent Numbers
– Vintage aluminum hard hat | – Manufactured by B.F. McDonald Co., Los Angeles | – Patent numbers engraved: 2,177,145; 2,248,366; 2,415,214; D118,432 | – Original interior suspension and leather headband | – Shows minor surface wear and light scratches | – Classic industrial safety collectible