Bi-Plane in flight

Armed trawler

Trawler at sea

Ships in dock

Machinery, Coil and levers

Several barrage balloons in sky

Oceanliner at anchor in harbour

Rotary press

Train passing

Parachute dropping and landing on ground

Several tankers at sea

Merchant ships convoy

Ship convoy

Section of deck of battleship

Motor yacht at anchor in harbor

Hanks of cotton passing through machine

Factory hooter, whistle blowing

Auto Gyro helicopter flying

Skua airplanes in flight and on aircraft carrier

Tug with funnel down passing under bridge

Man digging in coal pit

Cruiser convoy

Black Swan ship at sea

Reading Prison

Tree tops against cloudy sky