---------------------------------------------+-------+-------+------- Descriptions. |Single-|Double-|Single- | lock. | lock. | sling. ---------------------------------------------+-------+-------+------- _Tools._ | | | | | | Axes, pick | 4 | 4 | 4 Blocks, snatch | | 2 | 2 Chisel, brick | 4 | 4 | 4 Hammers, striking | 4 | 4 | 4 Handspikes | 2 | 2 | 6 Levers, field-service | 1 | 1 | 1 Mauls | 2 | 2 | 2 Measuring-rods | 1 | 1 | 1 Shovels | 4 | 4 | 6 Measuring-tapes | 1 | 1 | 1 | | | _Materials._ | | | | | | Chalk, pieces | 2 | 2 | 4 Lines, Hambro', 150 ft. | 1 | 1 | 1 Planks for chesses, | | | 10 ft. × 12 in. × 1½ in. | According to span Pickets, 5 ft. long, for bollards | 10 | 10 | 10 Pickets, bundles of tracing | 1 | 1 | 1 Racksticks and lashing | According to span Foot-ropes, 3 in., 9 fathoms | 4 | 4 | 4 Guys, 3 in., 20 to 30 fathoms | 8 | 8 | 8 Ropes, 2 in., 18 fathoms each | | | 2 Ropes, 2 in., 8 fathoms, for transom-lashings| 4 | 8 | 8 Ropes, 1½ in., 5 fathoms, for ledger- and | | | brace-lashings | 12 | 14 | 14 Ropes, 1 in., 3 fathoms, for road-bearers | 10 | 20 | 20 Tapes, tracing, 150 ft. | 1 | 1 | 2 Yarn, spun, lbs. | 7 | 7 | 7 ---------------------------------------------+-------+-------+-------