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bellows

bo ckler georg andreas author

cum pondere

cxlvii

design drawings

drawings

gearing

history of technology

illustrations

oragnum

public
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Fig. CXLVII. Pneusticum oragnum, cum pondere. Theatrum Machinarum Novum.

Fig. CXLVII. Pneusticum oragnum, cum pondere. Theatrum Machinarum Novu...

Public domain scan of 17th-century drawing, free to use, no copyright restrictions image - Picryl description