Original British WWII 14-Inch No. 14 X10 Trench Periscope by Ross Ltd. of London Multi Nation Flags Abbasia is in fact the

Abbasia is in fact the large Military Arsenal located in Cairo Egypt and was probably marked there as an inventory reference which confirms use in that theatre of WW1

The included basket belt carrier drum has been repainted post war

We have no way to verify this claim

The design was first patented by Georg Luger as an improvement upon the Borchardt Automatic Pistol and was produced as the Parabellum Automatic Pistol

One was 88mm they used mostly for ‘barrage’ or box fire

Original British WWII 14-Inch No. 14 X10 Trench Periscope by Ross Ltd. of London Multi Nation Flags Abbasia is in fact theOriginal item: Only One Available. Measuring 16 1 2 inches in length, this is a very nice WWII No. 14 trench periscope. In X 10 power, these were used to help view and plot attacks from behind cover, to avoid exposing oneself to danger. These were usually mounted on top of a tripod or other stand, and this example has the correct bottom fitting to attach to a mount. The top the periscope still has the manufacturers markings: PERISCOPE No. 14 (14 INCH)