Hypocycloidal curves, [i, 8].
I
Inclination of skew bevel teeth, [i, 61].
Index plate of milling machine, [ii, 7].
Index wheel, originating, [i, 342], [353].
Indicator, [ii, 413].
attachment of, to engine, [ii, 416].
diagram, area of the, [ii, 419].
diagrams, [ii, 414].
defective, [ii, 421].
expansion curve, [ii, 417], [418].
springs, [ii, 416].
vacuum line, [ii, 415].
Injector, feed, [ii, 370].
for locomotives, [ii, 395].
Inside calipers, [i, 360].
chasers, [i, 335].
errors in cutting up, [i, 337].
Interchangeable gearing, [i, 16].
Intermediate gears, [i, 3].
wheels, [i, 319].
rolling circle, [i, 24].