Gun Sight; Brass mount or visor; consisting of two vertical rods between which a visor slides up and down. On one side the rods have a scale ranging from 8 to 14; on the side is a scale of 4 to 8. The visor has a round base with a horizontal cam; Originally a chain was attached to the visor; which connected it to the body. This visor was for field guns; the inscription refers to a 15 cm howitzer; long model.; anonymous; Netherlands; c. 1860 - c. 1870; brass (alloy); h 16.8 cm x w 5 cm x d 4.1 cm