SERIAL PUBLICATION • FREE TRANSLATOR.ORG • Definition of Serial publication

... all that in 1856 it was necessary to know of the genesis of the Harbors. That account may now be supplemented with the following additional facts. In 1826 Turner (in conjunction with Lupton, the engraver) projected and commenced a serial publication entitled The Ports of England. But both artist and engraver lacked the opportunity required to carry the undertaking to a successful conclusion, and three numbers only were completed. Each of these contained two engravings. Part I., introducing Scarborough and Whitby, duly appeared in 1826; ...

— The Harbours of England • John Ruskin