✹ About Saturday 1 June 1661 JedidiahStott on 27 Feb 2015 • Link The fleet setting out will have to buy provisions and maybe water in foreign parts, perhaps pay sailors something on account, pay port and harbour dues, likely bribe various officials, make appropriate presents to grandees , and many other expenses. The imprest is a "float" money advanced for such purposes. It would not do to have England's grand fleet stuck in some foreign port unable to buy provisions to get home. The imprest will have to be accounted for on return and any left over returned. The accounting for is part of Mr Pepys's job.