Original German WWI Maxim Gun Fire Director by Carl Zeiss with Leather Case Czech Militaria These breech blocks will all

These breech blocks will all have British markings and proofs

Popular opinion among aircrews and general staffs tended to favor the B-17's rugged qualities and especially its higher operational ceiling above all other considerations in the European Theater

and both the search head cable and earphone lead

which are so hard to find

A chinstrap mounted to the liner or directly the shell

Original German WWI Maxim Gun Fire Director by Carl Zeiss with Leather Case Czech Militaria These breech blocks will allOriginal Item: Only One Available. This is a most precise optical instrument made by CARL ZEISS of Jena, one of Germanys most notable optics makers of the 20th century. It is called a FIRE DIRECTOR and its purpose was to work with an INDIRECT FIRE SIGHT laying down fields of fire during the trench warfare of World War One. For more details please reference Dolph Goldsmith's classic Maxim Machine Gun Book: THE DEVIL'S PAINTBRUSH and review pages 183 to