John Pollock on Ariel Square Four in back yard. Clothes line in background. Circa 1956police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel square four motorcycle; pollock, john

Bob Scott on an Ariel, registration number BD-355, wearing full uniform including jodphurs and boots. Circa 1957.police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel motorcycle

Ariel Square 4 MkII, registration number BV-035, without rider. Circa 1958police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel square four motorcycle

Leon Barry on Ariel, registration number CK-395, wearing full uniform including jodphurs, boots and helmet. Circa 1960police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel motorcycle; barry, leon

Two Ariel Square Four Mark IIs with riders on country road. Circa 1954police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel square four motorcycle

Seven Ariel Square Fours lined up, bearing flags with crown and Southern Cross, with riders mounted on their bikes. Circa 1956police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel square four motorcycle

Seven Ariel Square Fours lined up bearing flags with crown and Southern Cross, with riders standing beside their bikes. Circa 1956police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles, ariel square four motorcycle

Ariel Square Fours escorting a vehicle through Botanic Gardens, possibly from Governor's residence. Circa 1956police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel square four motorcycle

Triumph Outfit with sidecar in Russell Street garage registration number BS-206. Circa 1958police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; triumph motorcycle

Three Ariel Square Fours with two of the riders being Bob Scott and John Johnston. Circa 1960police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; ariel square four motorcycle

Motorcycle rider seated on BSA in full uniform including white helmet and gloves with policeman standing beside him, also in uniform, with a pith-hat style helmet. Circa 1962police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; bsa motorcycle

Motorcycle Patrol riding Honda 900s in V formation, riding away from Government House. Cica 1980police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; honda motorcycle

Motorcycle Patrol riders standing in a row behind Honda 900s. Circa 1980. police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; honda motorcycle

Motorcycle Patrol riders standing in a row behind Honda 900s which are aligned in V formation. Circa 1981police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; honda motorcycle

Motorcycle Patrol riders each standing beside a Honda 900 which are aligned in V formation. Circa 1981police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; honda motorcycle

Motorcycle Patrol riding Honda 900s in V formation. Circa 1981police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; honda motorcycle

Motorcycle Patrol riding BMWs in V format through a park with activities on the oval in the background. Riders are wearing helmets and white elbow length gloves. Circa 1963police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; bmw motorcycles

Motorcycle Patrol riding BMWs in exhibition format at Ballarat Showgrounds. Circa 1964BMW R69s or R60 models at Ballarat Showgrounds. L to R Roy Weir, Ray Johnston, Dennis Scandolera, Ralph Herbertpolice vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; bmw motorcycles; ballarat showgrounds

Five BMWs with riders standing beside them in full uniform, including white elbow length gloves and helmets, in parkland. Circa 1960police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; bmw motorcycles

Two rows of Kawasakis being ridden on a grass track. Circa 1960police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; kawasaki motorcycles

Row of Kawasakis lined up with riders standing lined up with riders standing beside them wearing full uniform including helmets and elbow length gloves. In the background there are young boys wearing Scout uniforms. Circa 1960police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; kawasaki motorcycles

Row of motorbikes riding in exhibition formation of two rows. All riders are in full uniform including helmets and each bike has a flag on the right hand side. Circa 1964police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles;

Three Hondas and a BMW in exhibition formation with a pillion standing on rear of motorbike with arms outstretched. Each rider and pillion is in full uniform including helmets and elbow length gloves. Circa 1964police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; honda motorcycle; bmw motorcycle

Hondas and BMWs in close formation riding around a track at Ballarat Showgrounds. Circa 1973police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; honda motorcycle; bmw motorcycle

David Smith on Triumph Outfit with sidecar, registration number CE-356, wearing full uniform including helmet, goggles and elbow length gloves. Circa 1960police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; triumph outfit motorcycle

Frank Porter riding a Triumph Thunderbird 650cc at Yarra Bend Parkpolice vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; triumph thunderbird motorcycle; porter, frank

Newspaper photograph of Frank Porter jumping a triumph Thunderbird, wearing uniform including helmet and elbow length gloves.Possibly at Yarra Bend parkpolice vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; triumph thunderbird motorcycle; porter, frank

Frank Porter riding a Triumph Thurderbird 650cc through parkland. Registration number BT-029. He is wearing a uniform, including helmet and elbow length gloves. He is jumping the bike.police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; triumph thunderbird motorcycle; porter, frank

Frank Porter laying out a Triumph Thunderbird 650cc at Yarra Bend Park with three men watching in the background. Two men to the left are in overalls and the third man is in full uniform including helmet and one glove.police vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; triumph thunderbird motorcycle; porter, frank

Frank Porter's grandson lying on a stationery BSA A10 wearing a helmetpolice vehicles; wireless patrol; motor transport branch; motor transport section; motor cycle patrol; police motorcycles; bsa a10 motorcycle; porter, frank