Both Uses of

dispose
in
Frankenstein - 1831 version

Perhaps during former years he had suffered from the late-discovered unworthiness of one beloved and so was disposed to set a greater value on tried worth.
p. 34.9 *

disposed = inclined (with a tendency to)

We visited the wondrous cave and the little cabinets of natural history, where the curiosities are disposed in the same manner as in the collections at Servox and Chamounix.
p. 166.3 *

disposed = arranged or positioned

Definitions:

(1) (dispose as in: dispose of the waste)
to throw away
(2) (dispose as in: dispose of the matter)
to settle something so it no longer requires attention
(3) (dispose as in: dispose of the assets)
sell or transfer to another
(4) (dispose as in: disposed the troops along...)
the arrangement, positioning, or use of things
This sense of dispose can be used in the form disposal to indicate that a person can use something as they wish -- as in:
- I am at your disposal.
- She has many assets at her disposal.
(5) (dispose as in: Is she disposed to help?)
inclined (with a tendency to; or in the mood to)

This is usually seen in the form "disposed to..." or "disposed toward..."
(6) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, disposing of can imply killing someone.