The Essex coast - Charles Mottram
A river valley - Alfred Vickers
River Scene With A Masted Boat Unloading Its Goods And A Figure Punting In The Foreground - Allaert van Everdingen
Inari Bridge and Minato Shrine Teppozu plate 77 from the series One Hundred Famous Views of Edo Edo Period Ansei Era - Utagawa or Ando Hiroshige
The Westerkerk on the Prinsengracht, Amsterdam, seen from the corner of the Bloemgracht - Jan De Beyer
On the Dogger Bank - William Lionel Wyllie
Passengers alighting from a ferry - Thomas Rowlandson
Barges on the Venetian coast - Giulio Cecchini Prichard
A View of the Royal Yacht Squadron, Isle of Wight - John Thomas Serres
Entering Portsmouth - Charles Edward Dixon
Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the 
