Wireless Observation by Herbert, John David; Swayze, John - 1964

Columbia University, Bureau of Publications. Very Good; Covers rubbed, pages toned.. 1964. Softcover. Stapled wraps. One of the pamphlets in the Horace Mann-Lincoln Institute of School Experimentation series. Three pages of photos. References. Library of Congress number 64-21997. Research findings of student teachers at a couple of classrooms using the latest "unobtrusive" wireless devices that look enormous and cludgy today: tape recorders, gigantic microphones, tuners, manual typewriters. ; 8vo 8" - 9" tall; 35 pages .