00720nam a2200265Ia 4500 23092 20240114000707.0 ta 060324s1950 a g b000 u 465 u Cotton College,Assam 465 539 F 851 In Frank, Nathaniel H.. Introduction to Electricity and Optics / Nathaniel H.Frank. Textual Documents 2nd ed. / New York : McGraw - Hill book company , 1950. xv,439p. : ill,maps ; 22cm . Index Electricity and Optics Optics G-Physics ddc BK 0 0 0 0 Circulation (G) SKBL SKBL 2012-02-01 00000 0 539 F 851 In 26007 2024-01-14 00:00:00 1 2012-02-01 BK 23074 23074