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action angle applied arms axis body bottom buckets called carried cause centre circle colour common consequently construction contain covered cylinder described diameter direction distance draw edge effect employed engine equal fall feet figure fitted fixed force four frame give given greater half heat hole horizontal hour inches increased iron kind lead length less lever lower machine manner means metal method mill minute motion moving nearly operation pass piece pinion pipe piston placed plate position pounds pressure prevent produce proper proportion pump quantity raised receive represented rise rollers round sails screw shaft side space spindle square steam stone stroke sufficient supported suppose surface taken teeth thickness turns upper valve velocity vertical vessel weight wheel whole wind wood
Page 676 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.
Page 707 - Letters written on vellum or paper are gilded in three ways : in the first, a little size is mixed with the ink, and the letters are written as usual ; when they are dry a slight degree of stickiness is produced by breathing on them, upon which the gold leaf is immediately applied, and by a little pressure may be made to adhere with sufficient firmness. In the second method, some...
Page 677 - NOTE. — 1. As 7 is to 22, so is the diameter to the circumference; or, as 22 is to 7, so is the circumference to the diameter.
Page 47 - He broke a rope of two inches in circumference ; though, from his awkward manner, he was obliged to exert four times more strength than was necessary. He lifted a rolling stone of eight hundred pounds' weight with his hands only, standing in a frame above it, and taking hold of a chain fastened thereto.
Page 707 - ... hair pencil ; when quite dry, the glass is put into a stove heated to about the temperature of an annealing oven ; the gum burns off, and the borax, by vitrifying, cements the gold with great firmness to the glass ; after which it may be burnwhed.
Page 46 - By the strength of his fingers, (only rubbed in coal ashes to prevent them from slipping,) he rolled up a very strong and large pewter dish. " 2. He broke seven or eight short and strong pieces of tobacco-pipe with the force of his middle finger, having laid them on the first and third finger. *
Page 477 - ... minute hands. The wheel E performs one revolution in an hour ; the wheel NN, which is turned by the axis of the wheel E, must likewise make only one revolution in the same time ; and the minute-hand is fixed to the socket of this wheel.
Page 103 - ... 4. Divide the circumference of the wheel in feet by the velocity of its floats in feet per second, and the quotient will be the number of seconds in which the wheel turns round.
Page 715 - One is seated on the floor, with a large flat stone before him, and with a moveable flat stone-stand at his side. His fellow-workman stands beside him with a crucible filled with melted lead, and having poured a certain quantity upon the stone, the other lifts the moveable stone, and dashing it on the fluid lead, presses it out into a flat and thin plate, which he instantly removes from the stone. A second quantity of lead is poured in a similar manner, and a similar plate formed ; the process being...