Title and imprint from NUC pre-1956.
Each chart has special title: Theil des Himmels zwischen 0[-XXIII]h und I[-0]h der geraden Aufsteigung ... / entworfen von ...
Most of the maps have same statement of responsibility as the related v. of tables, except e.g. Stunde V and VIII.
Some of the engraved plates are signed "Auguste Kolbe", incl. Stunde XIII and XVI which are dated "1842". Other plates are signed "K. Kolbe", incl. Stunde XIX which is dated "1839."
Some of the engraved plates have printer's imprint "gedr. v. Prêtre", incl. Stunde I, III, VI-VIII, XI, XIII, XVI-XVII, and XIX-XXII.
Some of the maps were issued with their v. of tables prior to 1859--Gesamtverzeichnis des deutschsprachigen Schrifttums, 1700-1910.
The location, magnitude, etc., of the stars in these maps are numerically represented in the tables in: Verzeichniss der von Bradley, Piazzi, Lalande und Bessel beobachteten Sterne ... Berlin : Dümmler, 1830-1858.
Each map covers a 1h 8ʹ arc of right ascension so that the 24 periods each overlap by 4ʹ at either edge.
Magnitudes given in 11 gradations, down to 8, 8-9, 9, and 9-10.
Zone XVIII has 2 maps--Gesamtverzeichnis des deutschsprachigen Schrifttums, 1700-1910.
Unbound; 41 x 24 cm. on sheets 64 x 47 cm. or smaller.
Imperfect: Stunde 0 torn, with some loss of the chart.