https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/A_sergeant_of_the_Royal_Flying_Corps_demonstrates_a_C_type_aerial_reconnaissance_camera_fixed_to_the_fuselage_of_a_BE2c_aircraft%2C_1916._Q33850.jpg/120px-A_sergeant_of_the_Royal_Flying_Corps_demonstrates_a_C_type_aerial_reconnaissance_camera_fixed_to_the_fuselage_of_a_BE2c_aircraft%2C_1916._Q33850.jpg