Just for the fun of it here's a list of handbooks I have to hand.
0, Preliminary Edition
1, HRD, Series B, no edition no, no date, price 3/6
3, Vincent, Series B and C, Third Edition, Jan 1950, price 5/-
5, Vincent, Series B and C, Fifth Edition, Jan 1952, price 7/6
6, Vincent, Series B and C, Sixth Edition, May 1950, price 6/6
?, Vincent, Series B and C, no edition no, no date, no price, reprint (like the one at the start of the thread, but with no address)
0, Preliminary Edition
1, HRD, Series B, no edition no, no date, price 3/6
3, Vincent, Series B and C, Third Edition, Jan 1950, price 5/-
5, Vincent, Series B and C, Fifth Edition, Jan 1952, price 7/6
6, Vincent, Series B and C, Sixth Edition, May 1950, price 6/6
?, Vincent, Series B and C, no edition no, no date, no price, reprint (like the one at the start of the thread, but with no address)