An account book kept by the Accountant and Chief Collectors Office of the Humber Conservancy Board detailing investments made by the Board (i.e. bonds and stock purchased) using funds from the following accounts: the Revenue Account, the Insurance of Craft Fund, the Depreciation of Craft Fund, the Humber Pilots Benefit Fund, and the Goole Pilots Benefit Fund.

The volume includes an index, which can be found at the front of the volume.