We are looking for additional information on the artillery actions of the Battle of Nashville,TN.

We have the following article which we found in the newspaper "The National Tribune-Vol.5, Number 37,April 1, 1886", forerunner of the Stars and Stripes.

See page 1 here
http://community.webshots.com/photo/127493691/1344317885048905732NhjOZV

See page 2 here:
http://community.webshots.com/photo/127493691/1344319187048905732KlCXDS

See page 3 here

http://community.webshots.com/photo/127493691/1344319876048905732mnrMhs

Question 1:
How many rounds was usual for an artillery unit to fire, in the course of a minute or two

Question 2: What is a limber on a cannon or/on an artillery piece as talked about on page 3

Question 3: How important in the scheme was Shye's Hill