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Two Samples of Telegraph Cable for…
Matthew Fontaine Maury (possibly), c. 1866, sample, NG-MC-1191
Sample of Telegraph Cable
anonymous, 1865 - 1875, telegraph cable, NG-MC-1262
Iron Sample
Krupp, 1858, sample, NG-MC-956
On display in room 0.13
Sample of Armour Plate Covered with…
anonymous, c. 1870, sample, NG-MC-1202