Calculations relating to No.155 ship 'Hainaut' and S.S. 'Pembroke Castle'. With accompanying manuscript booklets detailing the calculations (using Benjamin's method) relating to S.S. no.155 'Hainaut' (9 leaves) and T.S.S. no.152 'Bazalgette' (9 leaves). Both booklets bear name J. Petree. Ship stability calculations relating to 'Hainaut' and 'Pembroke Castle'