صدای دنده دار کردن

چرخ ضامن دار کوتاه, cranks - نازک کلیک کردن بر روی. (4)

1930s Hard Top car, gear stick movements into first gear, engine off.

Gear or ratchet spin and click.

Toy train - cranking mechanism.

Ratchet mechanism - single turn. (4)

Ratchet mechanism - single turn. (1)

Electric typewriter, Olivetti-Lettera E501 - small plastic gear turning, short ticks. (3)

Ratchet mechanism - single turn. (7)

Ratchet mechanism - single turn. (10)

Ratchet mechanism - single turn. (3)

Ratchet mechanism - single turn. (5)

Electric typewriter, Panasonic R300 - paper wheel spin, ratchets. (2)

Ratchet mechanism - single turn. (9)

Electric typewriter, Panasonic R300 - paper wheel spin, ratchets. (1)

Electric typewriter, Olivetti-Lettera E501 - small plastic gear turning, short ticks. (2)