6 3/4 x 8 3/4 in. albumen photograph on original 12 x 15 1/2 in. cardstock mount with title, date, plate number, and publication information printed in lower margin. Published as Plate No. 73 in Alexander Gardner's Photographic Sketch Book of the War.

View of a wagon used to hold a large battery that powered the field telegraph, in a clearing near a Union Army encampment. A bearded gent stands near one end of the wagon, casually smoking a pipe. A second man is visible inside the wagon, writing in a notebook that lies open on a table in front of him.