These ice creepers were excavated by Reginald P. Bolton, William L. Calver, and others prior to or after the formation of the Field Exploration Committee in 1918, at the British camp on the Dyckman farm, between Seaman and Payson Avenues and 204th and Academy Streets in Washington Heights. The ice creepers were tied to the bottom of soldiers' shoes or boots.

This sword guard was excavated by Reginald P. Bolton, William L. Calver, and others prior to the formation of the Field Exploration Committee in 1918, at the British camp on the Dyckman farm, between Seaman and Payson Avenues and 204th and Academy Streets in Washington Heights. The sword belonged to a British officer, grenadier, or sergeant, or to a Hessian officer.

This bullet mold was excavated by the Field Exploration Committee, at the Dyckman house at Broadway and 204th St. in Washington Heights. Lead was placed in the mold and made into a bullet by pressing the handles.

This fragment was excavated in 1923 by the Field Exploration Committee from the refuse pit of the Revolutionary War barracks at West Point, a citadel in Orange County, New York built by the Continental Army in 1777. West Point was built to establish American control of the Hudson River, and to guard the Hudson Highlands from attack by the British Army stationed in New York City.

These flints were excavated by the Field Exploration Committee at West Point, a series of barracks and forts built in Orange County, New York by the Continental Army. West Point was built to establish American control of the Hudson River, and to guard the Hudson Highlands from an attack by the British Army stationed in New York City. The practice of sheathing gunflints with lead was common among American forces.

This horseshoe was excavated by the Field Exploration Committee, at the British camp on the Dyckman farm, between Seaman and Payson Avenues, and at 204th St. in Washington Heights. The horseshoe could have been worn by an officer's horse, or by a horse used for transporting supplies or artillery.

This object was excavated on October 6, 1936 by the Field Exploration Committee at the British camp on the Dyckman farm, at Payson Avenue and Beak Street in Washington Heights. It is possibly a pick.

These screwdrivers were excavated by the Field Exploration Committee, at the British camp on the Dyckman farm, between Seaman and Payson Avenues, and at 204th St. in Washington Heights. The screwdrivers were used by artificers, and by soldiers to repair and clean their muskets. The flat ends were screwdrivers, and the pointed end held a small screw, which, when attached to a ramrod, could retrieve a bullet, or hold a cloth for cleaning the inside of a musket.

This jacknife was excavated by the Field Exploration Committee, at the British camp on the Dyckman farm, between Seaman and Payson Avenues, and at 204th St. in Washington Heights.

This button was excavated by Reginald P. Bolton and others at a military camp at 201st Street and Ninth Avenue in Washington Heights, Manhattan. Built after the surrender of Fort Washington by American forces on November 16, 1776, the camp was occupied by British soldiers who were guarding the landing area for a ferry that crossed the Harlem River from the Bronx to Manhattan.