Ons Technisch Maandblad

‘Alleen voor leden der A.N.T.B.’, Nan Platvoet, A.H.G. Blankestein; 10 volumes, 1930-1939 of which 5 complete, bound: IV(1930) 1-12, V(1931) 1-12, VI(1932) 1-12, VII(1933) 1-12, VIII(1934) 1-12; IX(1935) 1-9 (complete) & X(1936) 1-9 (complete) +single issues in portfolio, 142 + 160p.; IX(1935) 1-9 (complete, bound); XIII(1939)-8, XIV(1940)-5.