Pikemen were often used in formation mixed with fusiliers to create a hedge of pikes to protect the soldiers from cavalry attacks. During the 18th century, pikemen were gradually phased out as firearms became more prevalent and effective on the battlefield but they were still in use in some armies.
In this file you have three archives pikemen marching, standing and advancing.
Please, note that the photos also contain riflemen and officers that do not belong to this file.