Notebook concerning studies at Trinity College Cambridge and matters of Naval administration. Includes: (fo. 1v) Campion's signature, followed by terms of measurement; (fos 2-39, 46-8) mathematical notes; (fos 42v-45, 49v-74) 'The art of pleasing in conversation' (English and French exercises); Reversing vol.: (fos 192-191v) astronomical notes; (fos 190v-161v) mathematical notes; (fos 158-153v) patent of commissioners for victualling Navy; (fos 151v-140v) duties of the principal officers and comptrollers of the Navy; (fo. 140v) instructions to Thomas Savery, treasurer 'to the commissioners for sick and wounded'; (fos 139v-137v) instructions for Henry Rowlandson, agent for victualling the West Indies fleet; (fo. 136v) instructions to Wilkins, agent at Portsmouth, for victualling; (fo. 135v) instructions to Benjamin Bowles, agent-victualler at Gibraltar, 18 June 1707; (fo. 134v) instructions to Alonzo Vere, agent at Gibraltar, 21 Oct. 1709; (fos 133v-131v) instructions to H. Mordaunt, treasurer of ordnance; (fos 121v-102v) French grammatical notes. Note of Campion's marriage, 8 June 1702, inside back cover.