Blackburn (J.A.) & Watkins (K.)
Title The British Submarine in Being.
Publisher ND 1919,
Seller ID 6104
viii + 191pp, frontis, 7 illus, 6 diags, printed boards. Foreword: Aims at providing an explanation of what a submarine is, what it can and cannot do, how the officers and ratings of our submarine service are obtained and trained, what they accomplished in over four years of war.