New Ww1 German Mastfernrohr (Persiscope) Used Instead Of Tethered Observation Blimps/Hot Air Balloons (Still Non Bullet Proof) For Battlefield Recon

While other participants inwards the fighting invented diverse towers to heighten a human being higher upward alongside binoculars - the Germans strained their heads in addition to logically assumed that the periscope from the submarine was inwards full general no worse - in addition to it was non afraid of bullets.

the 25 meter tall sliding mast for the eight-knee lens was made, simply sparse - in addition to an opened upward optical channel was used to transmit the image.

The mast periscope was designed for observing over obstacles of betwixt thirty in addition to 85 feet inwards height, in addition to could hold upward apace erected or taken downward in addition to transported on its carriage. It essentially consists of 3 parts, namely a steel telescopic mast, in addition to upper in addition to lower optical systems that are attached to it.

 The telescopic mast is carried on trunnions on the railroad vehicle in addition to travels inwards a horizontal position. The mast contains 7 tubes which tin hold upward raised or lowered inside each other past times way of a cable attached to a winch, in addition to when erect, the mast was steadied past times 3 guy ropes.

http://www.janssen-militaria.com/oscommerce/popup_image.php?pID=1467&invis=0

they fifty-fifty used them inwards trench warfare

http://1914-1918.invisionzone.com/forums/topic/173218-ww1-military-motors-1916-set-x-50-cards/?do=findComment&comment=2334305

http://picssr.com/tags/mastfernrohr/interesting

https://strangernn.dreamwidth.org/1612995.html
https://www.iwm.org.uk/collections/item/object/30025356

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