Year:
1962
George Ball's aluminizing apparatus. This photo appeared in R.A.S.C. Papers- An Amateur's Aluminizing Apparatus (JRASC, Dec. 1962, p.251).
George Ball's aluminizing apparatus. This photo appeared in R.A.S.C. Papers- An Amateur's Aluminizing Apparatus (JRASC, Dec. 1962, p.251).