ak 
Teacher training 
597; 
616, 
630, 
688, 
fie, 
18s 
774, 
810, 
825, 
858, 
958, 
1007, 
NOM / 
1043, 
1057; 
1090, 
TOS 
1124, 
607; 
619, 
632, 
693; 
71); 
764, 
TTT; 
811, 
She, 
861, 
999 » 
1008, 
1019, 
1044, 
1058, 
1092, 
1104, 
1126, 
610, 
623, 
633; 
69h, 
716, 
765, 
786, 
813, 
8h6 , 
867, 
962, 
(Contin. ) 
611, 
62h, 
6he, 
612, 
626, 
658, 
708, 
732, 
768, 
802, 
817; 
848 , 
950, 
965, 
1128, 
ine®, 
INS 
Teaching methods, 124, 129, 150, 
160, 
251, 
D3 
597; 
658, 
765, 
171, 
283, 
BBO) 
610, 
69h, 
822, 
216, 
eek, 
221; 
568, 
628, 
Tek, 
952; 
226, 
52h, 
290, 
633, 
1535 
958, 
959, 962, 963, 966, 1009, 1014, 
1017, 1028, 1038, 1040, 1088, 
1092, 1099, 1127 
Tectonic maps, 390, 643 
Tectonics, 933 
Telegraph apparatus 
electronic, 782 
Telegraphic communications, 13, 144, 
637, 726, 782, 793, 1027 
Telegraphic equations, 169 
Telemechanic measuring instruments 
and systems, 19, 133, 143, 278, 
S2i5 COs 1S Tike souls Gulp 
854, 1047, 1083 
Telemechanics, 218, 640, 860, 1018, 
1020 
Telemetering, 908 
Telemetering devices and systems, 
193, 365, 417, 1047 
Telemetry, 1126 
low-frequency, 61 
Telephone communications, 13, 144, 
637, 665, 726, 782, 793, 941, 
1027 
SUBJECT INDEX 
T 
Telephone switching equipment, 
726, 876 
Telescopes. (See also "Radio 
telescopes".) 2, 236, 572, 644, 
703, Ol, Shi, OS, 
AT-1, 861 
chromosphere, 2 
chromosphere-photosphere, 236 
coronograph, 236 
reflecting, 239, 761 
refractor, 750 
satellite-tracking, 270 
Schmidt, 181 
temperature effects, 586 
Zenith, 523, 841 
Telescopes, mirror 
spectrograph, 161 
Teletype networks, 968 
Television, 13, 25, 34, 665, 671, 
726, 793, 876, 877, 998, 1047 
color, 665, 876 
reception quality, 13 
underground, 665 
underwater, 665 
Television antennas, 968 
Television broadcasting 
airborne, 877 
long distance, 876 
Television camponents, 877 
Television facilities, 968 
Television microscope, 665 
Television synchronizing gener- 
ator, 782 
Television towers 
design, 976 
Telluric currents, 400, 683 
Tellurides, 608 
Tellurium, 109, 772, 1002 
from anode sludges, 382 
determination, 83, 427, 428, 
556 
electrolysis, 118 
precipitation, 1130 
production, 680 
Temperature effects, 477 
Temperature-layer formation, 981 
Temperature measurement and 
control, 785 
remote instrumentation, 188 
Temperature monitoring 
automatic, 854 
