Firefighter rookies doing firefighting drills in Boston

Title card: "Fire rookies rise in world, Boston, Mass - Recruits win diplomas in snappy drill with scaling ladders and nets" / two rows of firefighters pick up ladder, carry it over to wall of building, set it down, remove pole supports and arrange them next to ladder / overhead shot of firefighters lifting ladder using supports, then extending ladder higher / ground level shot of firefighters at bottom of ladder extending it up side of building / overhead shot of firefighter climbing up ladder with end of fire hose wrapped over shoulder, he goes into window followed by another firefighter carrying hose / title card: "That seventh inning feeling" / shot of firefighters on side of building supporting themselves with harnesses / close shot from inside building through window of firefighter supporting himself with harness / firemen using harnesses climbing down side of building / title card: "How firemen leave home" / fireman using rope to drop down side of building / close shot from inside building through window of firefighter stepping out of window to be supported by firefighter dropping down building with rope / overhead shot of firefighter supported by other firefighter dropping down with rope / ground level shot of same two firefighters dropping down side of building using rope / firefighter jumps out of second story window into net held by firefighters / overhead shot of firefighter jumping into net held by firefighters / shot from below net of two firefighters coming down by rope into net / Note: exact day not known