صدای چرخ ضامن دار

Electric typewriter, Olivetti-Lettera E501 - small plastic gear turning, short ticks. (4)

Electric typewriter, Panasonic R300 - paper wheel spin, ratchets. (4)

Ratchet mechanism - single turn. (8)

Electric typewriter, Olivetti-Lettera E501 - small plastic gear turning, short ticks. (1)

Ratchet mechanism - single turn. (2)

Electric typewriter, Panasonic R300 - paper wheel spin, ratchets. (3)

Large rotary switch turned with ratcheting

Subway turnstile turn and ratchet, walking through POV

هوا ضامن اجرا و سر و صدا, کوتاه

Electric typewriter, Gabriele 100 - small gear ticking, close.

چوب تراشیدن همراه کوره - تشدید کم رزونانس.

Metal cage door ratchet clatter, double 2.

Metal cage door ratchet clatter 8.

Metal cage door ratchet clatter, staggered.

Metal cage door ratchet clatter, double 1.