Leatherhead to Radio-head: The Evolution of the Football Helmet, Arts & Culture
Leatherhead to Radio-head: The Evolution of the Football Helmet, Arts & Culture
Researchers test old-style leather helmets vs. modern ones and found leather performed as well, better in some aspects. Conclusion: Football helmets need to be softer. : r/nfl
The History of The Football Helmet timeline
Applied Sciences, Free Full-Text
The History of The Football Helmet timeline
The Evolution of Football Helmets
The History of The Football Helmet timeline
Digital Exhibits — Guilbeau Center for Public History
History of the football helmet - Wikipedia