The Mechanical Handling and Storing of Material

TABLE GIVING WEIGHTS OE VARIOUS MATERIALS 727 Lb. per Cubic Feet Lb. per Cubic Foot. per Ton. Bushel. *Coal, Newcastle, loose - 48-7 46 *Coal, Lancashire, loose - - - - 48-6 46 *Coal, Derbyshire, loose - - - - 56-6 48 *Coal charcoal, loose - - - 18 124 *Coke, broken - - - - 30 80 Concrete - - - 120 18-7 Coprolites - - - 100 224 46 Cotton seed - - - - 36 62 Derby-stone, solid - - - - 150 15 * Derby-stone, broken - - - 135 16-6 Earth, loose, average - - - 78 28-7 Earth, mould, average - - - 74 30-2 Flax seed - - - 43 52 56 Flour - - - - - - 43 52 56 Flaked maize malt - - - - 10 240 12 Granite, solid - - - - 165 13-5 *Granite, broken - - - 150 15 Grass seed - - - 11 48 14 Gravel, average - - - 109 21 Gravel, coarse- - - - 98 23 Graphite - - - - - - - 140 16 Gypsum, solid- - - - 143 15-4 *Gypsum, broken - - - 120 18-7 Gypsum, plaster of Paris - - - - 105 21-25 44 Hemp seed - - - 30 74 Horse beans - - - - 50 45 64 Ice- _ - _ - - - - 58 38 *Ice, broken - - - 50 45 Indian corn - - . - - - - 45 49 58 Indian corn, meal - - - - 41 54 53 Iron ore, Clydesdale - - 190 12 Iron ore, brown - - - 236 9-5 Iron ore, red - - - - 320 7 Lias, broken - - - - 140 16 Limestone, solid - - 161 20 *Limestone, broken - - - - 90 ■25 Lime, quick - Linseed - - - ■ - - - 53 37 42 61 53 Locust beans - - - - 23 97 29 Logwood, fine - - - 18 124-5 58 Maize - - - - - - - 45 49 Maize meal - - - 41 54 53 Malt . . - - - - - 30 74 131 38 Malt, green - - - 17 Manure, artificial - - - 56 40 Marble, average - - - 169 13-2 Mari . . - - - - - 79 28 Mortar - - - - - - 86 26 Mud, dried - - - 95 23-5 19-5 Mud, damp, pressed - - - 115 Mud, wet, fluid - - - 110 20-5 The weights of these materials are only approximate, and vary greatly with the size of the pieces.