Peter McCabe (OB 1967-74) has got in touch with a scanned copy (.pdf) of the Bournemouthian from Summer 1974, available below:
A full set of the magazines can be found in Bournemouth Library (and the School Library).
The Bournemouthian, Summer 1974 Edition
1974, ah yes, the same year that the school was blessed with the arrival of me, as a pupil into Form 1.19 (form-master Mr. Mahoney, I think I remember), one of the Nissen huts behind the “new” school hall – are they still there, I wonder?