(Text Page to) Loste ende clare Inleydinghe tot het verstrent de Hemelsche Sphera, in soo veele, als tot de conste der Zeebaert van noode is. (7) ; Het Licht der Zee-vaert daerinne claersyck beschreven ende afghebeeldet werdé, alle de Custen end Havenen; vande Westersche, Noordsche, Oostersche ende Middelandsche Zee'n. Dock van vele Landen, Eylanden ende plaetsen van Guinea, Brasilien, Oost ende West-Indien. Wt de alderbeste Zeebeschryvers gheschriften (als Locas Ians z. Waghenaer ende meer andere) eenfdeels vergadert: maer uyt vele ervarene Zeevaerders schriften ende mondtlycke verclaringhen van alle verlopen ghebetert, ende met veel nieuwe beschryvinghen ende Caerten seer vermeerdert. Alles ghedeelt in vier boecken, waer van yders inhoudt voor elck uytghedruckt staet. Hier zyn byghevoeght (beneffens eene onderwysinghe in de conste der Zeevaert) nieuwe tafelen van der zonnen declinatie, gherekent uyt de observation van Tyche Brahe, ende gherecht op de Meridiaen van Amsterdam. Midsgaders nieuwe tafelenende onderwys van't recht ghebruyck der Noordsterre ende andere vaste sterren alle Zeevarende luyden te nut ghedaen. Door Willem Ians Zoon. Tot Amsterdam. Anno 1620. ; Text: Loste ende clare Inleydinghe tot het verstrent de Hemelsche Sphera, in soo veele, als tot de conste der Zeebaert van noode is. (7)

First section to Het Licht der Zee-vaert. Title translates (loosely) to: To the farthest end of the celestial sphere . Includes chapters: IX. Van den Horizon ofte Sicht-eynder [= Horizon line]. -- X. Van de Meridiaen ofte Middagh-Circkel [= Meridian line]. -- XI. Van de hooghte der Sonnen ofte Sterren, ende wat die is [= Height of the sun or stars]. -- XXI. Hoemen de hooghte van de Sonne ofte Sterren sal meten ende bevinden [= How to measure height of the sun or stars]. -- XIII. Hoemen eenen Graed-boghe perfeckelijcksal maecken ofte teeckenen [= How to draw . ]. Features engraved diagrams showing astronomical observations. ; Het Licht der Zee-vaert, by Willem Blaeu; published in Amsterdam, 1620. Title translates to: The light of the sea. This chart atlas was Blaeu's first atlas. Initially published in 1608, this is the fifth Dutch edition with 38 (of 42) maps. Oblong quarto. Engraved title, engraved frontispiece, 38 mostly double-page engraved charts (of 42, lacking 4 maps of Denmark), woodcut illustrations and diagrams within the text, 1 with volvelle (lacking 1), letterpress tables within decorative woodcut borders. Volume comprised of 261 woodcut coastal profiles in the text, illustrations, tables and charts. Recent fine full calf binding with richly gilt spine in compartments. Collation: Engraved title, (2), engraved frontispiece, 54 pp. (A4-F4, G2) lacking 2 pages; (2, title to Eerste Boeck), [1-8], 9-119, (1 blank) pp. (2, title to Tvveede Boeck), 3-130, [131] pp. 38 engraved maps (lacking 4). Probably lacking 1 volvelle in the beginning. Lacking 4 maps of Denmark, numbers 21-22, 24-25. Het Licht der Zee-vaert was the first book produced by the Blaeu publishing house, heralding a golden age of atlas production, and survives in only a few copies. It is one of the most important Dutch pilot-guides. Blaeu's pilot books were divided into chapters, each containing navigational instructions for specific sections of coastline, accompanied by a finely engraved coastal chart for each section. Map titles appeared in ...