tarnish-free coating and QuickFix fitting system (see explanation below)

and all three resting freely on individual metal rings

Internal dimensions are:

Admiralty-issue to the Royal Navy in both world wars

Barometers have stainless steel aneroid movements showing millibars and inches of mercury

Admiralty Chart Prints 1410 - Saint George's Channel Size:32x22" (81x56cm) tarnish-free coating and QuickFix fittingFirst officially published in November 1800, navigation charts produced by the UK Hydrographic Office are an essential for sailors the world over and have an instantly recognisable, almost iconic, design. Now Admiralty Chart 1410, showing Saint George's Channel, is available to buy as a poster or canvas print to display in your home, office, or yacht club showcasing the features of your local coastline, or recalling a favourite voyage perhaps.