EditorialCrushing ores_1, Lower grade ore pieces are beaten with a squeezer or a chisel of iron, woodcut, p.210, (Liber octavus), Manuel, Hans Rudolf (graveur sur bois), 1556, Georgius Agricola: De re metallica libri XII: quibus officia, instrumenta, machinae, ...
EditorialLower grade German: reading, supplementary grammar with exercises and materials for composition, with notes and vocabulary and ten popular songs in solfa notation : Lubovius, Louis.
EditorialA first manual of composition, designed for use in the highest grammar grade and the lower high-school grades : Lewis, Edwin Herbert, 1866-1938.
EditorialThe Picturesque on the Pennsylvania Central R.R. On the High Grade above Altoona, below Kittaning Point, looking Eastward., Edward Anthony (American, 1818 - 1888), about 1860, Albumen silver print.
EditorialOn the high grade above Altoona, looking accross sic Kittaning Point., Edward Anthony (American, 1818 - 1888), about 1860?1862, Albumen silver print.
EditorialCovered Vase on Plinth, 1892, Made in Trenton, New Jersey, United States, American, Earthenware, Base and cover: GW. 39 1/2 x 17 1/2 in. (100.3 x 44.5 cm), Ceramics, Burroughs & Mountford (American, Trenton, New Jersey, 1879?ca. 1901), Trenton, New Jer...