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New telegraph to transmit facsimiles, exact copies of handwritten documents
UMG20B25_311

New telegraph to transmit facsimiles, exact copies...

In the laboratory with j. wickersheimer
UMG20A32_487

In the laboratory with j. wickersheimer

Water Supplies For The Front
UMG20A15_493

Water Supplies For The Front

Manuscript page with depiction of the owl and the symbol of antimony
UMG12A22_031

Manuscript page with depiction of the owl and the ...