Garrison, too, was impressed with Douglass, mentioning him in the Liberator. Several days later Douglass gave his speech at the Massachusetts Anti-Slavery Society's annual convention in Nantucket-- the speech described at the top of this page.
The abbreviation viz. (or viz without a full stop), short for the Latin videlicet, is used as a synonym for namely, that is to say, to wit, or as follows. It is typically used to introduce examples or further details to illustrate a point.
Whaty does pm stand for in reference to time? post meridiem. Post is for after. meridiem means noon.Both are derived from the latin words post, meaning after and meri-(middle) diem (day), noon.