New and Complete Clock and Watchmakers' Manual ...

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Drawings are fold-out plates at end of volume not scanned unfolded - of limited utility.

Contents

I
ix
II
1
III
4
IV
41
V
48
VII
52
VIII
67
IX
74
X
101
XI
125
XIII
146
XIV
156
XVI
204
XVII
229
XVIII
261

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Page 280 - Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware. Maryland, District of Columbia, Virginia, North Carolina, South Carolina, Georgia, Florida...
Page 200 - It has a reddish brown color, is as fine-grained as steel, and works as easily as brass, but its friction is much slighter than on ordinary pivots. Its most valuable property is that the oil it absorbs is not decomposed, but remains pure in a fluid state. It has still greater advantages over sockets of fine stone, as it is not apt to break, is susceptible of a high polish, and is less costly than hard stone. 2. — Jewelers
Page 223 - Greeks adopted a new method, writing their lines alternately from the right to the left, and from the left to the right.
Page 139 - Suppose a pendulum is found to make 35 vibrations in a minute ; what is the distance from the centre of suspension to the centre of oscillation ? Here, by the rule, the number of seconds in the given time is 60 ; hence we get...
Page 198 - Boat are twelve gods, who presumably represent the Twelve Hours of the Day, and the Twelve Hours of the Night ; one group is called "Neteru Set...
Page iv - Office of the District Court of the United States, fur the Southern District of New York.
Page 140 - ... gold pins inserted in that scale, the brass being at the temperature of sixty-two degrees by Fahrenheit's thermometer, be one yard. And it appears from the experiments made for determining the length of the pendulum vibrating seconds at London in a vacuum, and reduced to the level of the sea, that the distance from the axis of suspension to the centre of oscillation of such a pendulum, is 39.1393 inches of the above standard distance : and that the length of a platina metre at the temperature...
Page 145 - London, is 39-i inches, the length of one vibrating 42 times in a minute must be 80 inches; and of another vibrating 84 times in a minute must be 20 inches' ; and their difference, 60 inches, or 5 feet, is his standard measure. By the experiments, however, the difference between the lengths of the two pendulum...
Page 278 - Swiss method, by the omission of the main-wheel, fusee, and chain ; the power being communicated direct from the barrel to the train.
Page 115 - The sectional area shall be not less than 5 per cent. in excess of the section covered in the case of symmetrical covers, and 10 per cent. in the case of unsymmetrical covers. The centre of gravity of the covers shall coincide as nearly as possible with the centre of gravity of the section covered.

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