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K005758 NAUTICAL DEPTH CHART PORTFOLIO.
(Bodenbeschaffenheit des Meeres Aktenmappe)BACKGROUND: As with other armed forces the Germans had a KuVA, Kriegskarten-und Vermessungswesen Abteilung, (War Maps and Surveying Department), under command of the OKH, Oberkommando des Heeres, (High Command of the Army), and the OKW Oberkommando der Wehrmacht, (High Command of the Armed Forces). The Kriegsmarine had a corresponding department for land maps under control of the OKM, Oberkommando der Marine, (High Command of the Navy), while nautical charts were prepared by the Marineobservatorium, (Navy Observatory).
The Germans utilized a Gradnetzmeldeverfahren, ({Map}, Degree Network Reference System), based on the Greenwich longitude/latitude degree system to pinpoint a precise location on any map or chart. Although basically identical to land maps, nautical charts surveyed areas covered by water with only basic topographical coastal land features such as ports and harbors that would be of value to mariners. The nautical charts had varied information that may include Harmonica Tides and the sea bed depths. The depths charts were of the utmost importance and enabled the sailors to visualize hazards to avoid such as reefs, rock outcrops, ship wrecks etc.. The nautical depth charts would have numerical markings to donate the sea beds depth and contours.PHYSICAL DESCRIPTION: Roughly, 15 1/4" x 21 1/2", nautical chart portfolio with a heavy weight, pale green cardstock cover and one hundred forty-six, internal, single sided pages. The front cover has black printed script that includes, "Oberkommando der Kriegsmarine", (High Command of the Navy), "Nur für den Dienstgebrauch!" (For service use only!), and, "Atlas der Bodenbeschaffenheit des Meeres 3. Lieferung", (Atlas of the condition of the bottom of the sea. 3RD Issue). The front cover also has a black printed national eagle and a scripted, national eagle, issuing authority inkstamp, "Kriegsmarinewerft Kiel Kartengruppe", (Navy Shipyard Kiel, Map Group). The first internal page reiterates the printed script on the front cover with the addition of the chart locations, "Britische Westküste, Irische See, Ost-und Südküste Irlands", (British west Coast, Irish Sea, East and South Coast of Ireland). The portfolio begins with a couple of pages of explanatory text, a list of the contained charts, and one hundred forty-three nautical depth charts. The depth charts all feature a color coded legend, numerical depth markings and color coded sea bed features such as different grades of sand and rock. The charts cover all the locations listed on the contents page and all the maps are the "1:150,000" scale The cover shows some color fading and moisture staining but the interior charts are all in very good condition with minimal age yellowing. Interesting nautical chart portfolio.
GRADE **** PRICE $674.00
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