Patent Drawing for L. D. Newman's Brush - NARA - 12007679.jpg
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Patent Drawing for L. D. Newman's Brush NARA 12007679, Patent drawings in the National Archives and Records Administration, US National Archives series: Utility Patent Drawings, Images from the National Archives and Records Administration, US National Archives location: other, Patent Drawing for L. D. Newman's Brush
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L. D. Newman's Brush NARA 12007679の特許図面、米国国立公文書館管理局における特許図面、米国国立公文書館所蔵:L. D. Newman's Brushのための特許図面
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