Two Finnish soldiers posing with a Lewis machine gun in the Finnish village of Kajaani; Soviet-Finnish War, 1939-1940.
  The Lewis gun (or Lewis automatic machine gun or Lewis automatic rifle) had a distinctive barrel cooling shroud (containing a finned, aluminium breech-to-muzzle heat sink to cool the gun barrel) and top-mounted pan magazine. 

Lewis gun

Major Palkama of the Finnish Army, demonstrates to the representatives of the Romanian (left) and German (center) military delegations a Swiss-made submachine gun SIG MKMS, which is in service with the Finnish army; District of Medvezhyegorsk, now Russia. During World War II, the town was occupied by the Finnish Army from 6 December 1941 to 23 June 1944.  

Demonstration for the delegation

Soldiers of the Finnish Army posing with state emblems of the USSR in the captured Karelian village of Rukajärvi (Rugozersky Front); 9-12-1941.   
