[by] J. A. von Fraunhofer. J. A. von Fraunhofer. J. Boxall and J. A. von Fraunhofer. by J. A. Froude. by J. A. V. Butler. by J. G. Horner. by J. A. R. Marriott. by J. S. Fletcher. by J. A. Slater. by J. Alfred Fisher.