The Daily Engine Room Logbook Type 30B is nearly identical to Type 90A, except that it contains carbon copies (yellow duplicate pages) that you can give to your customers for job fulfillment or invoice purposes. This logbook has a 31 day coverage.

• carbon copies
• 31 day coverage
• 14 x 8.5 in.
• for work­boats with three propulsion engines

Published by MET. 30-day coverage. 14 x 8.5 in. A two-part engineroom logbook specifically designed for work­boats with three propulsion engines where a continuous record of engine operating hours, routine maintenance performed repair work undertaken, and checklist type reports on installed equipment are desirable. The black carbon interleaf forms provide for superior reproduction on office copiers.