The glass is in good condition the marks you see in the photos are of course just the air inside the compass.
Early Brass Wrought Iron Warming Pan Late 17th Early 18th Century
solid Oak and Brass bound ships barrel 19 th century
Very Large Antique Vintage Wood And Brass Navy Ships Pulley Shackle Broad Arrow
Brass Cased Ships Marine Bulkhead Clock with Second Dial: Military Issue