Signallinan No. 40, December 2017

Diver’s GuideBirgitta Forsen3
B ack to PhingvellirStaffan von Arbin4
A collector's problemBert Westernberg8
The Hall Baltic Sea ExpeditionLorelei Randall10
Classic dive gathering for 50 th anniversaryThomas Helmersson19
Photograph: Diving Bell in the Stockholm RiverStaffan von Arbin20
Nordic diving historical meeting in LarkollenBirgitta Forsen22
Warship Kronan 1947-1980 Part 2Bengt Grisell24
The Dive Tank House attracted many visitors during the Cultural Heritage DayKent Forsen33
Association Page (includes calendar, book sales and contacts)34