The Battery B, 4th U.S. Artillery was also known as Gibbon’s Battery. During the battle of Gettysburg, it served as a member of Wainwright’s Brigade of the First Corps, Army of the Potomac. At Gettysburg the unit was commanded by Lieutenant James Stewart (May 18, 1826 - April 19, 1905). A printer by training, he emigrated from Scotland to the US in 1844. He enlisted in Battery B, 4th US Artillery on 29 October 1851 as a Private. He was promoted to Corporal, Sergeant, and First Sergeant of the Battery by November 1861. He was commissioned 2nd Lieutenant of the Battery on 15 November 1861. He continued in Regular Army service, and was appointed Captain, 18th US Infantry on 28 July 1866. He retired on 20 March 1879, and was given the rank of Major. He lived at Fort Thomas, KY, near Cincinnati. Under his command the 4th brought 90 men (and six Napoleon guns) to the Gettysburg Battlefield and among them 2 were killed, 31 were wounded and 3 went missing.
The tablet iis located at the southern end of East Cemetery Hill just outside of town on the left or southeast side of the road if traveling southeast along Baltimore Pike. The monument is one of the last along the hill. The monument is flanked by three 12-pounder Napoleon guns, model of 1857. Starting from the north or the far left and working to the south or right, the commemorative display is arranged in the following order: gun no. 300, Battery B, 4th US Artillery monument, gun no. 283 & gun no. 242. Baltimore Pike is 11 feet from gun no. 242. Evergreen Cemetery and the National Cemetery are directly across the street. Parking is available across the street at metered parking slots along the curb. There is also parking located just before East Cemetery Hill at a location which schleps tourists about in buses to show them the battlefield located 377 feet away to the northwest at N 39° 49.326 W 77° 13.789. I always park there because its free. I visited this site on Thursday, July 4, 2013 on the 150th anniversary of the Battle of Gettysburg early in the morning. As always, I used my trusty and oft abused Canon PowerShot 14.1 Megapixel, SX210 IS digital camera for the photos.
The monument work was done under the direction of the Gettysburg National Park Commission (established by the United States Department of War), after they took over the administration of the park from the Gettysburg Battlefield Memorial Association (whose funds had expired) on March 3, 1893, and whose stewardship was then transferred to the National Park Service in 1933). SOURCE
The inscription on this tablet reads:
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Army of the Potomac
First Corps
Artillery Brigade
Battery B Forth U.S. Artillery
Six 12 pounders
Lieut. James Stewart commanding
July 1 In position about 200 yards south of the Seminary until 3 p.m. when ordered to the support of Brig. General J.C. Robinson's Division First Corps and took position on Seminary Ridge one half the Battery between the Chambersburg Pike and the railroad cut. The other half north of the cut in the corner of the woods was actively engaged. The Battery afterwards retired with the troops to Cemetery Hill where it went into position on the Baltimore Pike opposite the Evergreen Cemetery commanding the approach from the town two guns on the Pike and two in the field two guns having been disabled.
July 2 & 3 Remained in this position.
Casualties. Killed 2 men. Wounded 2 officers and 29 men. Missing 3 men.
There are hundreds of non-sculpted monumentation for the various Confederate States & Union units which fought at Gettysburg. There are about 10 different variations of tablets, markers & monoliths by my reckoning. Six designs represent brigade (2), division (2), corps (2), & army headquarters (2), each different in a subtle way so as to distinguish between armies. Battalion/battery/advance position markers & regimental monuments for U.S. Regulars & the Confederates have their own distinct design (2), bringing the total to 10 designs at the battlefield. The granite bases which accompany the various tablets were created by the Van Amringe Company from Boston, Mass. The Van Amringe Granite Company sculpted so many Gettysburg monuments that it published its own guidebook to the field. By 1910, the Commission figured out the company who would supply the bronze tablets to the finished and waiting monuments: Contract No. 109, for furnishing and delivering 59 bronze tablets for C. S. A. brigade markers, was awarded to Albert Russell & Sons Company, delivery to be completed on or before December 1, 1910. SOURCE There is no mention of the Russell Company completing the bronze tablet work for the US Regulars monuments so I am not positive who was awarded that contract as that information is not in the Commission reports.
All of the U.S. Regulars monuments were designed by architect Colonel Emmor Bradley Cope (July 23, 1834 - May 28, 1927). He designed pretty much every tablet for both the Union & Rebel armies, each one distinct, w/ several different varieties. He is buried in Evergreen Cemetery 
in Gettysburg, as well he should be as this park and most of the things seen here today were designed by him and as such, are his legacy. These monuments were erected just after the turn of the century during the first & beginning of the second decade of the 20th century. Each one has since been preserved or restored at least twice since the turn of the 21st century. The plaques & tablets were erected by the Gettysburg Park Commission (established by the War Dept.). The Gettysburg Park Commission is also referred to as the Gettysburg National Military Park Commission or the Gettysburg National Park Commission, to clear up any confusions, especially my own.
On October 1, 1898, the Gettysburg National Park Commission in a letter to the Secretary of War gave recommendations for continuing the task of organizing & progressing the work of the Gettysburg National Military Park. Every November they wrote their annual report which outlined the work of the GNPC for that year. The following is an excerpt from that report relevant to this waymark. The link at the end of the paragraph will take you to the entire report. The method of marking the positions of troops on this field, as approved by the War Department, is to place the principal tablet or monument of each command at the position occupied by the command in the main line of battle, and to mark the several important positions subsequently reached by each command in the course of the battle by subordinate and ancillary tablets, with appropriate brief inscriptions giving interesting details and occurrences and noting the day and hour as nearly as possible. SOURCE
Most of the Commission reports have been digitized and can be found HERE. The initial 1893 report up to & including 1921 can be found here. 1922 to 1926 are missing & have yet to be discovered. The years 1927 to 1933 were discovered in 1996 and are also included. To my knowledge this is the most comprehensive list of documents that illustrate the development and formation of the park.
I found some really neat references to the manufacturing of these Regulars tablets. The first mention of these monuments (I found) was in the 1908 Commission Report: The contracts for these monuments were awarded to the Van Amringe Granite Company, of Boston, Mass., February 11, 1907, and February 15, 1907. Numerous samples of granite were submitted to the Commission, and for the large monument Mount Airy, N. C., granite was selected after much deliberation and a visit by the Commission to the quarry in order to examine into the facilities of the company to get out the stone and the quality of the work done by them. They found the granite of excellent quality, light in color and uniform in shade, and that it could be furnished in large blocks. The forty-two small monuments are composed of Jonesboro granite, 24 by 50 inches and 7 feet high, set upon concrete foundations, and upon each is fastened a descriptive bronze tablet and the coat of arms of the United States.
The next reference was in the 1909 Commission Report. The erection of 45 monuments (an increase of 3 form the last report) to the services of the Regulars of the US Army in the Gettysburg campaign has been previously reported. All were completed July 1, 1908, except the large and principal monument and the four bronze tablets. The inscriptions were prepared under the direction of the National Military Park Commission, and the tablets were cast and mounted. This completed the contract for the erection of these monuments. A contract was made September 1, 1908, to furnish and deliver 30 markers, to be made of Winnsboro (S.C.), granite, 10 to be erected to the divisions of the Army of Northern Virginia and 20 to the divisions of the Army of the Potomac, on the Gettysburg battlefield. The inscriptions for the Union tablets have not yet been cast, but the corps badge of bronze has been placed on each. The US regular monuments that were provided for under the acts of Congress dated February 18, 1903, and March 3, 1905.
Information about these specific types of monuments:
UNITED STATES REGULARS TABLETS
The Gettysburg National Park Commission was, by said acts, authorized and directed under the supervision of the Secretary of War to erect such monuments and markers of granite and bronze upon the battlefield of Gettysburg in the State of Pennsylvania as will faithfully designate the positions, indicate the movements and commemorate the valorous services of the following batteries and regiments of the United States Regulars upon the battlefield. SOURCE Initially, in 1905, the Secretary of War made an appropriation of $63,000 for these monuments to be completed. Forty-two monuments originally honored units of the regular army who fought at Gettysburg but that number was at forty-four tablets by 1909. These regiments and batteries were designated as United States Regulars as opposed to the state volunteer forces. These polished granite monuments with bronze plaques affixed to the front were fabricated by the Van Amringe Granite Company, of Boston and authorized in 1907. They were completed in the July 1, 1908. Each consists of Jonesboro granite, 24 by 50 inches and 7 feet high, set upon concrete foundations, and upon each is fastened a descriptive bronze tablet and the coat of arms of the United States. are similar in appearance to and often mistaken for headquarters, since they have the same curved-and-scrolled top on the bronze tablet as corps and army headquarters. The difference is that instead of being square, the stone comes to a peak in the center on the U.S. Regulars monuments, with a brass Great Seal of the United States centered within the peak. SOURCE & SOURCE
The 14th US Infantry Tablet is a contributing feature to the Gettysburg Nat'l Military Park H.D. which is nationally significant under NR Criteria A, B, C & D. Areas of Significance: Military, Politics/Gov't, Landscape Architecture, Conservation, Archeology-Historic. Period of Significance: 1863-1938. The monument is designated as structure no. MN654.
From the Nomination Form
1 of 45 Civil War Regular tablets in Park. Locates position occupied by Stewarts Battery B, 4th US during Battle of Gettysburg, July 1-3, 1863.
Short Physical Description:
MN & 3 cannons. Red granite monolith w/rough-hewn sides & back, 4'2"x2', 7" high. Gable top. Bronze inscription tablet, 3'6"x3'7", mounted on polished face. Bronze seal of US Coat of Arms, 1' in diameter, on face above tablet. 2 cannons on W, 1 on E side.
Long Physical Description:
Located on east side of Baltimore Pike on East Cemetery Hill.
My Sources
1. NRHP Nomination Form
2. Stone Sentinels
3. Virtual Gettysburg
4. Draw the Sword