teversing alarm
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3veloped in the USA a system at gives audible warning at a vehicle is reversing is now .ailable from Tirfor Ltd. Desigited the Warn-A-Larm audible arning system it was designed meet the requirements of the
array and is particularly commended for vehicles used construction sites.
The device is gravity actuated id is readily fitted to the hub of rear wheel. It operates as soon the vehicle reverses and intinues to operate until the hide stops. Four steel balls are intained in the hub case, which Is as the bell. When the hide is stationary or travelling rward the balls move to bber-lined pockets but as soon the vehicle reverses they drop it and cause the bell to ring. le sound intensity is 105 dB. iailable from: Tirfor Ltd, alfway, Sheffield S19 5GZ.