Another conceited man along the lines of Persuasion's Sir Elliot.

alembic: alchemical still consisting of two vessels connected by a tube, used for distilling chemicals. https://en.wikipedia.org/wiki/Alembic

A literary alembic would be someone who combines novels to produce the purest literary experience.

(old-fashioned term) a medicine that purges; cathartic; laxative.

https://www.dictionary.com/browse/physic

An eighteenth-century exercise machine.

"…A special type of chair, commonly called a 'Chamber Horse', because the motion made as you sat on it was similar to that of a trotting horse."

http://www.bbc.co.uk/ahistoryoftheworld/objects/uIVOye4BRy-Sh5k7_PF_iQ

Definition of coadjutor 1 : one who works together with another https://www.merriam-webster.com/dictionary/coadjutor

Charlotte has similar reading tastes to Catherine (Northanger Abbey).

Camilla is the young protagonist of the 18th century Frances Burney novel by the same name.

https://en.wikipedia.org/wiki/Camilla_(Burney_novel)