In the collection various Notice to Mariner samples from across the UK were purchased. A few examples are below. This type of notification is used today but online through the websites and social media platforms and demonstrates how well the aids to navigation service has been developed to keep up with the changes in navigation.
TRINITY HOUSE NOTICE TO MARINERS 16th JUNE 1919 BIDEFORD LIGHTHOUSES CHANGES TO THE BAR. Size 21cm X 42 cm
NOTICE TO MARINERS COMMISSIONERS OF NORTHERN LIGHTHOUSES SCOTLAND 1919 NORTH CARR LIGHTSHIP 30TH MAY 1919. WHILST LIGHTSHIP IS NOT IN PLACE A RED WHISTLE BUOY WILL FLASH 35cm X 22 cm.