Adjustable bookmark

Adjustable bookmark

Adjustable bookmark for paperback and hard cover books

Adjustable cable marker

Adjustable golf flagstick

Adjustable length universal tuning knob for T.V. receiver

Adjustable lens for a transmission ratio indicator

Adjustable marker

Adjustable pennant warning of downed water skiers

Adjustable pilot's tool for maintaining aircraft attitude

Adjustable safety distance spacer for bicycles

Adjustable thermostat

Adjustment means for handbells

Adjustment mechanism for a transmission position indicator

Advance warning traffic safety device

Aerial distress marker

Aerial location self-actuating emergency sea surface marker for

Aerodynamic wind riding antenna ornament

Ageing indicator

Air brake adjustment marker