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Archival description
McCowan, David A. With digital objects
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Photographing Machine, Patent #289763: Description
Photographing Machine, Patent #289763: Description
Photographing Machine, Patent #289763: Drawings
Photographing Machine, Patent #289763: Drawings
Photographing Machine, Patent #289763: Claims
Photographing Machine, Patent #289763: Claims
Phototeria booth and accessories
Phototeria booth and accessories