TY - GEN AU - Hardy Edward TI - The elementary principles of graphic statics: Specially prepared for students of science and technical schools,and those entering for the examinations of the board of educations of building construction,machine construction,drawing,applied mechanics,and for other similar examinations AV - HA29 PY - 1904/// CY - London PB - Butler&Tanner KW - Statistics N1 - Illustrated by 192 diagrams ER -