No door on this one and we know nothing about these, seems to work okay but probably best used for decorations or addition to your nautical collection. Front face outer diameter is 7″ back diameter is 7.5″ and middle is 6″ diameter and depth is 4″ thick. Please check out my. The free listing tool.The item “Emory & Douglas Co Ltd BRASS SHIPS BAROMETER” is in sale since Sunday, May 03, 2015. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “recordhound2″ and is located in Wildomar, California. This item can be shipped worldwide.