Edison in 1902 started to Gold Mould cylinders, this process uses a oversized groove and a large wax master. The master is placed in a vacuum with 2 pieces of gold leaf. High voltage is introduced to the gold leaf in the bell jar, and vaporizes...
Edison in 1902 started to Gold Mould cylinders, this process uses a oversized groove and a large wax master. The master is placed in a vacuum with 2 pieces of gold leaf. High voltage is introduced to the gold leaf in the bell jar, and vaporizes...
Grant, Ulysses S. (Ulysses Simpson), 1822-1885; Civil War; Politicians; Presidents; Politics and government; Generals
Volume 24 of a continuing series (currently 31 volumes) showcasing an edited collection of documents by and about Ulysses S. Grant. Materials in the series span the dates of 1837-1885; volume 24 spans the dates of 1873.
Harper's Weekly cover of Grant, weighed down by the problems of his administration (including Santo Domingo, the Financial Crisis, the KKK, and many others) as a copperhead snake wraps around his leg and various dogs nip at his heels while wearing...
