00745cam a22002057 4500 e 15003042 DLC 20260227111205.0 960924s1900 xxu 000 0 eng c e 15003042 //r97 Lib., U.S. Bur. of Education DLC DLC LB1648 .E22 YA 15924 Copy no. undetermined. Eastern Association of Physics Teachers. Methods of instruction on physics in secondary schools. A committee report to the Eastern association of physics teachers. [n.p.] The Association, 1900. 1 p. l., 16, [2] p. 22 cm. Physics Study and teaching. YA Pamphlet Collection (Library of Congress) DLC 19938 19938