adjustments of, [69]

Spring clutch, [71]

Starting position of machines, [98]

String galvanometer, [32]

Stylus, [17], [18], [57], [61], [78], [95], [103]

sparking at, [24]

Stylus, angle of, [24], [78]

defects of, [57]

Submarine cable, [4]

Synchronism, [11], [20], [36], [64], [69], [71]