n) this sheet the lettering has been carried out by sticking up preprinted letters separa
te tely.
nt On the masks for green and blue, stick-up screen film was used to get different
he gradations of these colours i.e. light green for parks and woods and a few gradations of
be blue for layer tints. Separate overlays were prepared for sand, dunes and tidal flats.
of These masks were combined with the desired füll colours directly on the pressplates
;h using contact screens.
a
CORRECTIONS AND ADD1TIONS
Düring the whole reproduction process all kinds of additions and corrections could
be carried out on the separate drawings with the aid of scraper and drawing pen. This
it proved to be very important because the port and industrial area of Rotterdam is
jf developing rapidly and changes from day to day. The completion of corrections
is could be done easily on the original copies without further equipment and time-
ir consuming intermediate steps.
d Some minor corrections have been carried out on the press plates as well. There-
fore, an extremely up-to-date Rotterdam-Europoort map could be printed and distri-
a buted.
d
n
n
Evolution and distribution of a cartographic information folder the Rotterdam-
Europoort map (See inserted map).
r In order to trace the course run by information maps, handed out free of Charge by
public relations departments of big companies or institutions to those interested, the
r evolution and distribution of the Rotterdam-Europoort map is dealt with here as an
example of such maps. The technical production aspects of this map were commented
i upon in the preceding paper. This report is based on information from the publisher of
i the map, the Rotterdam Muni cipal Port Management.
About 1950 the rebuilding of the Rotterdam port, after the destruction in
World War II was rounded off. This rapid reconstruction and the subsequent
spectacular expansion attracted the attention of the publicity-media both in the
Netherlands and abroad, with resultant wide public interest. This, in turn, caused a
large need of information material, in particular of a clear plan of the harbours. The
Rotterdam Port Management commissionedits drawing department to produce a simple
black-and-white outline map, Scale 1 70.000, size 15 x 30 cm, on which the
Mr. J. Meijer, cartographer at the Cartographic Division of the Public Works Department of the
Municipality of Rotterdam.
j F.J. ORMELING
5
EVOLUTION AND DEVELOPMENT
K.N.A.G. Geograßsch Tijdschrift VI (1972) Nr. 3 295
