Page 191. " The envelope itself was likewise full "
Writing paper envelope
Creative Commons AttributionWriting paper envelope - Credit: Gbaku
Envelopes were not the purpose-made items they are today; it was common for people to fold a sheet of paper around a letter and seal the edges with wax. Therefore the inside of the envelope could be used as another sheet of writing paper.
Page 194. " and afterwards at Cambridge "

  

Panorama of the Great Court of King's College Cambridge
GNU Free Documentation LicensePanorama of the Great Court of King's College Cambridge - Credit: Mark Williamson, Wikipedia Commons

 

Cambridge. Gonville and Caius College, Senate House and University Library (1870-1885 albumen print)
Creative Commons AttributionCambridge. Gonville and Caius College, Senate House and University Library (1870-1885 albumen print) - Credit: Cornell Univeristy Library

The University of Cambridge is the second oldest in England and fourth oldest in Europe. It is one of the most respected universities in the world.

The late Mr Darcy was offering Mr Wickham a significant chance at advancement by paying for him to study there.

Page 196. " Ramsgate "
Royal Harbour, Ramsgate
Creative Commons Attribution Share AlikeRoyal Harbour, Ramsgate - Credit: Penny Mayes, Geograph project

Located on the Kent coast, Ramsgate has one of the biggest harbours in that part of England. 

 

Google Map
Page 196. " to consent to an elopement "
Modern Love:The Elopement, oil on canvas (detail)
Public DomainModern Love:The Elopement, oil on canvas (detail) - Credit: John Collet

An elopement occurs when two lovers run away together with the intention of marrying in secret, most usually to avoid parental interference.