Old_Sirens_4EVER's video: WW2 AIR RAID SIREN still roars for over 75 years

Function check of one of the last special existing combinated siren in original condition: It is a "fire-siren" and "air raid siren" in one unit like u see in the video. It was developed especially for WW2-times: In case of fire there was activated the deep-tone unit. Here in the video is an original deep-tone siren F2 audible: https://youtu.be/aU2eiMyYFbg?t=1m29s And if there were air raids, then the high-tone unit was activated. The population could make a better audible difference between both siren frequencies. Construction year was in the 30ies by "Elektror". You can hear the siren signal "fire alert". But i think that the bearings of the audible high-tone siren are defect. The rotor already stopps after approx. 2 minutes. Here is the same siren type in action: an older recording from me:https://youtu.be/Qi0Ka6NuRo4 (There in the video is a very long visible running of the rotor.) But nevertheless i´m glad to hear and see such rare&old "combination-sirens" which are still in function today and i hope they will "roar" many years for the future. # # # Look at this: another "combinated fire&air raid siren" typ L138 of my private siren collection: Both siren units run at same time: https://youtu.be/9_Bct01Yrvo?t=2m50s # # # Special thanks to "Rheinlandsirene". He was given the information about the existence of this siren. # # # Some Links of my older recordings with the same siren typ L1 (high-tone) in different towns: https://youtu.be/PYzBUD5S6xo https://youtu.be/-PVOvpVyVNg https://youtu.be/rX2-gc6N6tw https://youtu.be/L6psycZp2uU https://youtu.be/yjWafst-9aA?t=17s https://youtu.be/H2ZjtqANJMQ https://youtu.be/Xbibu38-H0c https://youtu.be/o04V2T90hso 50.000 views 06-03-2017 100.000 views 07-20-2017 150.000 views 08-16-2017 200.000 views 09-20-2017 250.000 views 10-31-2017 300.000 views 12-02-2017 350.000 views 02-08-2018 400.000 views 03-02-2018 450.000 views 04-12-2018