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Dental amalgam instrument pattern A3

1950-1965

Surveying level with bubble level, German, 1840-1860

1840-1860

Sample of Haber's Synthetic Ammonia, 2 July 1909

1909
Highly ornate solid fuel slow combustion stove in polished iron for wa rming a large room, with a domed lid surmounted by a cupid, and a trivet for a kettle or pan at the rear on top of the flue, originally installed in a large manor house near Salzburg, by Junker and Ruh, Karlsruhe, c.1880

Highly ornate solid fuel slow combustion stove in polished iron for wa rming a large room

1870-1890
Second of two sealed glass tubes containing the first specimens of liquified ammonia synthesised by the Haber process on 2nd July, 1909.

Sample of Haber's Synthetic Ammonia, 2 July 1909.

1909-07-02
Die Badische Eisenbahn Abth. 2. Die Bauwerke der Bahnabtheilung von Offenburg bis Haltingen, der Zweigbahn von Oos nach Baden so wie des badischen Antheils der Main-Neckar-Eisenbahn. Transl. "The Baden Railway volume 2: The buildings of the railway section from Offenburg to Haltingen, the branch railway from Oos to Baden as well as the Baden part of the Main-Neckar railway" Collection of construction drawings of the Main Buildings, Machines and Vehicles over two sections of 105 sheets". Germany. 1853.

Grand Duchy of Baden State Railway Construction Drawings

1853
Lens barrel with iris diaphragm calibrated 0-5 with 7 lens components 15/25/35/45/55/65/75. With 29 combinations, 11 aplanat, 11 wide angle aplanat, 7 landscape. Albert Glock and Co.

Badenia Convertible Lens