1890 Patent No. 16,671 improve spirit cookers, Louis Hugo Langenhan, Dresden

Patent No. 16,671 A.D.1890 Improvements in Spirit Cookers

"I, Louis Hugo Langenhan, of Dresden, in the Kingdom of Saxony, in the German Empire, Engineer, do hereby declare the nature of this invention and in what manner the same is to be performed, to be particularly described and ascertained in and by the following statement: My invention rleates to a regulating-device for spirit-cookers by means of which the flame of the cooker may be enlarged or reduced and the burner may be filled with fresh spirits even during the time of burning without any danger, and with greatest convenience..."

2 pages of text + 1 drawing which have been disbound from a larger volume.

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