Fort Harssens armored cupola design.jpg

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DescriptionFort Harssens armored cupola design.jpg	English: Schematic overview of one of the armored cupolas at Fort Harssens. The circle on the right shows the layout of the three kinds of armor plates. 10 plates around the base of the cupola. 11 plates forming the side of the cupola, and two plates on top. Drawing from Verslagen, rapporten en memoriën omtrent militaire onderwerpen. Nederlands: Schematische weergave van een van de pantserkoepels van Fort Harssens. De cirkel rechts geeft weer hoe de pantserplaten aansloten. 10 stuks rondom de basis van de koepel, 11 vastgemaakt aan de zijkant van de koepel, en 2 bovenop de koepel. Tekening uit Verslagen, rapporten en memoriën omtrent militaire onderwerpen.
Date	1 January 1885
Source	Delpher https://resolver.kb.nl/resolve?urn=MMNMM02:000317001:00181
Author	Unknown, 1885 or before

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current	15:10, 22 March 2024		2,048 × 1,050 (184 KB)	wikimediacommons>Grieg2	Uploaded a work by Unknown, 1885 or before from Delpher https://resolver.kb.nl/resolve?urn=MMNMM02:000317001:00181 with UploadWizard

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