Perkins School for the Blind Archive:
Letter from Joseph Henry, 1850 (pg. 1 and 2 of 3)
Perkins School for the Blind Archive:
Letter from Joseph Henry, 1850 (pg. 3 of 3)
● portfotolio ●
Letter Describing Bridgman Daguerreotype to Illustrate Dr. Lieber's Paper by Perkins School for the Blind Archive
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