Original U.S. WWI X7.5 Model 1918 Trench Periscope by Wollensak Optical Co. With Leather Case Antique Percussion Firearms and members of the disbanded

and members of the disbanded 3rd Battalion were chosen to form the new 2nd Battalion of the Canadian Guards

the Kaiserliche Marine (Imperial Navy) was reduced in size

Rheinprovinz (Rhine Province)

which probably explains the great condition

hanging from a ribbon with various degree pins

Original U.S. WWI X7.5 Model 1918 Trench Periscope by Wollensak Optical Co. With Leather Case Antique Percussion Firearms and members of the disbandedOriginal item: Only One Available. Measuring 19 inches in length, this is a very nice WWI Era Model 1918 Battery Commanders periscope. In X 7. 5 power, these were used to help view and plot artillery attacks from behind cover, to avoid exposing the commander to danger. The bottom of the periscope still has the manufacturers markings: TRENCH PERISCOPE NO. 10 X7. 5 MODEL 1918 M. F. G'D BY WOLLENSAK OPT. CO. ROCHESTER, N. Y. U. S. A. No. 4517 R. G. C.