Original U.S. WWI X7.5 Model 1918 Trench Periscope by Wollensak Optical Co. With Leather Case Gahendra Martini Rifles & Parts It also made other products

It also made other products and tools

There are some repairs to the stock around the barrel tang

(SE or hkp)- Sachsische Emaillier u

The top of the visor has a lovely pattern of checking and crazing in the black enamel

1879 stamped into the right barrel nocks form

Original U.S. WWI X7.5 Model 1918 Trench Periscope by Wollensak Optical Co. With Leather Case Gahendra Martini Rifles & Parts It also made other productsOriginal 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.