Four Stroke Motor Cycle (Rev Engine and Drive Off)

Four Stroke Motor Cycle (Kick Start and Drive Off)

Four Stroke Motor Cycle (Approach, Pull up and Drive Off)

Telephone Bell Ringing

Dialling Tone

Ringing Tone

Dialling a Number, Lift Receiver and Replace

Engaged Tone

Telephone Bell Ringing and STD Pay Tone Pips

Apparatus in Telephone Exchange

Telex or Teleprinter Machine

Adding up Machine

Typewriter