0:12
Opening and closing a valve damper of a furnace with banter, sequence (5).
0:10
Opening and closing a valve damper of a furnace with banter, sequence (4).
0:11
Opening and closing a valve damper of a furnace with banter, sequence (3).
0:21
Opening and closing a valve damper of a furnace with banter, sequence (2).
0:10
Opening and closing a valve damper of a furnace with banter, sequence (1).
0:08
Typing on a 19th century typewriter (18).
0:06
Typing on a 19th century typewriter (17).
0:07
Typing on a 19th century typewriter (16).
0:04
Typing on a 19th century typewriter (15).
0:12
Typing on a 19th century typewriter (14).