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Patent number 2,474,140. Sheet 3.

img798.jpg Patent number 2,474,140. Sheet 4.ThumbnailsPatent number 2,474,140. Sheet 2Patent number 2,474,140. Sheet 4.ThumbnailsPatent number 2,474,140. Sheet 2Patent number 2,474,140. Sheet 4.ThumbnailsPatent number 2,474,140. Sheet 2Patent number 2,474,140. Sheet 4.ThumbnailsPatent number 2,474,140. Sheet 2