Organized at New York City and mustered in Company "A" August 26, Company "B" August 12, Company "C" September 11 and Company "D" September 20, 1861. Left State for Washington, D.C., October 12, 1861. Attached to Artillery Reserve, Army of the Potomac, to May, 1862. 3rd Brigade, Artillery Reserve, 5th Army Corps, Army of the Potomac, to September, 1862. Artillery Reserve, 5th Army Corps, to December, 1862, Artillery Reserve, Army of the Potomac, to March, 1863.
SERVICE.--Duty in the Defenses of Washington, D. C., until March, 1862. Moved to the Virginia Peninsula March --. Siege of Yorktown, Va., April 5-May 4. Near New Bridge June 20. Seven days before Richmond June 25-July 1. Battles of Mechanicsville June 26. Gaines Mill June 27, Garnett's Farm June 28. Turkey Bridge or Malvern Cliff June 30. Malvern Hill July 1. At Harrison's Landing until August 16. Movement to Alexandria August 16-28. Maryland Campaign September-October. Battle of Antietam September 16-17. Movement to Falmouth October-November. Battle of Fredericksburg December 12-15. "Mud March" January 20-24, 1863. Battalion organization discontinued March 5, 1863, and Company "A" designated 29th New York Independent Battery Light Artillery. Company "B" designated 30th New York Independent Battery Light Artillery. Company "C" designated 31st New York Independent Battery Light Artillery, and Company "D" designated 32nd New York Independent Battery Light Artillery (which see).