In the GenRad Tradition...IET is committed to providing historical GR content
Books and papers on the history of GenRad and General Radio
GR History 1915 to 1965 by Arthur E. Thiessen
GR History by Donald B . Sinclair
General Radio Story by Fredrick Van Veen
Hardcopy of Book Can Be Purchased at LuLu
Eastham Biography by Unknown author, courtesy Henry P. Hall