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corrigirt, und erhielten ausserdem eine Correction wegen der Veränderung, welche sie während der Reise in ihrer Kraft erlitten. Sämmtlichen Intensitäten liegt dieselbe Einheit wie den von Hansteen mitgetheilten zu Grunde, nemlich die von Humboldt in Peru in der Nähe des magnetischen Aequators beobachtete. Nach Hansteen ist mit Zugrundelegung dieser Einheit, die Intensität in Peter Pauls Hafen in Kamtschatka 1,4470. Von diesem Werthe aus berechnete Lenz die Intensitäten der folgenden Tabelle.

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Die mit einem X versehenen Inclinationen sind nicht so genau, als die übrigen, da bei denselben die Pole der Nadel nicht umgekehrt worden. Ueberhaupt giebt Lenz an, dass die Neigungen zur See nicht so sicher, als diejenigen A. Erman's sind, der sein Inclinatorium nach Art der Peilcompasse aufgehängt hatte. Wegen der Schwankungen des Schiffes sind die Ablesungen des Capit. Lütke nur bis Grad sicher.

Die Declinationen der Tabelle sind mittelst des üblichen Azimuthalcompasses gefunden, und daher nicht sehr genau.

Inclinationen von Humboldt auf seiner asiatischen Reise. (siche asiatische Fragmente.)

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Declinationen von A. Erman auf seiner Reise um die Erde

1828-1830.

(siehe Erman Reise um die Erde, 1. Band, 2. Abtheil.)

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Die Längen und Breiten sind zum grössten Theil von Erman

bestimmt, und die aus russischen Karten entnommenen, zum Unterschiede, ohne Sekunden angeführt.

5. 7 21

2 17 37

5. 11 56

2 3 57

13.

2

8 55

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