The Official Website of

"The Magazine of the American Scene"
 
(c) 2015 The Society for
the Advancement of Education.
All Rights Reserved.
Search keyword(s): ' Robert van der Plas'
 
Peddle Power Stuart Baird , Robert van der Plas
Category: Science & Technology Published: March 2012
". . . Throughout all phases of [the bicycle's] history, technical improvements are a constant."