Drawing of Improvement in Tents - NARA - 4531640.jpg
en
Drawing of Improvement in Tents NARA 4531640, US National Archives series: Utility Patent Drawings, Images from the National Archives and Records Administration, US National Archives location: other, Drawing of Improvement in Tents
commons
ja
テントの改善図 NARA 4531640、米国国立公文書館シリーズ:実用特許図面、米国国立公文書館所蔵画像:他、テントの改善図面
commons_translated
improvement augmentation