PATENT SPECIFICATION 506,847

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front page
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PATENT SPECIFICATION 506,847

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APPLICATION DATE: JAN. 29, 19...

COMPLETE SPECIFICATION
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PATENT SPECIFICATION 506,847

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APPLICATION DATE: JAN. 29, 19...

506,847
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PATENT SPECIFICATION 506,847

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APPLICATION DATE: JAN. 29, 19...

506,847
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PATENT SPECIFICATION 506,847

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APPLICATION DATE: JAN. 29, 19...

FIG 1...
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PATENT SPECIFICATION 506,847

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APPLICATION DATE: JAN. 29, 19...