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And this single top/front diagram is also fake.It seems like it is now mandatory in any discussion of unbuilt tanks to bring up the Ratte. For somethgin that until just a couple years ago was known solelely from a single top/front diagram of perhaps dubious provenance, it sure is popular.
The fact that Leonardo's drawing was wrong is correct - but also deliberate. It was common when a designer lodged his patent drawings that deliberate mistakes were made to stop other inventors or engineers from copying the design. Examples are Brunton's Mechanical Traveller (missing one cylinder making it impossible to move as there was no flywheel) and Trevithick's London Steam carriage (which would go backwards if built in accordance with the drawings). Don't mock "mistakes" - plagiarism was rife!
Can you be kind enough to show us the data concerning the figure of armed men in a chariot pulled by 2 horses and wording in German.French "tank" project, 1874 (120 t, 200 crew, 12 cannons, 4 machine guns, 40 HP steam engine, 10 kmph):
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Bysantine (?) wagon:
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Suggestion of Voltair (to Russian empress Ekaterina II), XVIII century, reconstruction:
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Medieval wagons:
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Tower-dragon:
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