There are supposedly two prepositional phrase what is the other one for the following sentence: She says that you can slip an old pair of socks on both hands and dust tables and blinds very quickly.

1. On both hands

2. Of socks

Explanation:

Of is also a preposition.

in our power to make a world happy - to teach mankind the art of being so - to a character hitherto unknown - and to have, as it were, a new creation intrusted to our hands, are honors that command reflection, and can neither be too highly estimated,

two possessive pronouns (one plural pronoun and the other a singular pronoun)