Keywords: Deflection board-BW.jpg This image of a Coast Artillery deflection board M1905 comes from a 1910 publication and is included for its clear labeling of parts Image is from The Service of Coast Artillery Frank T Hines and Franklin W Ward Goodenough Woglom Co New York 1910 following p 339 PD-USGov original upload log page en wikipedia Deflection_board-BW jpg 2010-06-10 20 43 Pgrig 803×456× 128481 bytes <nowiki>Adjusted brightness/contrast ~~~~</nowiki> 2010-06-10 19 08 Pgrig 803×456× 110766 bytes <nowiki>This image of a Coast Artillery deflection board M1905 comes from a 1910 publication and is included for its clear labeling of parts Image is from The Service of Coast Artillery Frank T Hines and Franklin W Ward Goodenough Woglom Co New York </nowiki> Black and white photographs Artillery ballistics |