How was Gulliver saved from the monkey?

From the text:

The ladders were now applied, and mounted by several men; which the monkey observing, and finding himself almost encompassed, not being able to make speed enough with his three legs, let me drop on a ridge tile, and made his escape.  Here I sat for some time, five hundred yards from the ground, expecting every moment to be blown down by the wind, or to fall by my own giddiness, and come tumbling over and over from the ridge to the eaves; but an honest lad, one of my nurse’s footmen, climbed up, and putting me into his breeches pocket, brought me down safe.