Webster Signature Database - Suggest Correction

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Signature	Maker	Instruments	Comments	Location	References
HERO	Egypt, fl.50-120,		author; book on pneumatics described hydraulic devices; invented a hodometer.	Alexandria.	RSW.
HERO	Egypt, fl.50-120,		author; book on pneumatics described hydraulic devices; invented a hodometer.	Alexandria.	RSW.

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