John E. Hand & Sons was established in Philadelphia in the late 19th century and became a renowned manufacturer of nautical instruments like compasses, sextants, and other marine navigational tools. The company’s products were valued for their precision, quality craftsmanship, and reliability, making them popular with mariners during a time when accurate navigation was crucial for safety at sea. The WWII, LMC-101-D is a liquid-filled magnetic compass designed specifically for marine navigation. It would have been intended for use on boats and ships, helping captains and navigators maintain their course at sea.
