Auto Gyro helicopter flying

Tug with funnel down passing under bridge

Black Swan ship at sea

Tree tops against cloudy sky

Aircraft carrier and plane

Aircraft carrier at sea

Tanker at sea

Bi-Plane in flight

Auto Gyro helicopter flying

Rotary printing press

Glider taking off

Cargo boat at sea

Destroyer with Planes flying over

Armed trawler

Oceanliner at anchor in harbour

Train passing

Trawler at sea

Ships in dock

Machinery, Coil and levers

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