00474nam a22001097a 4500020001000000082001800010100005000028245003900078260004600117300003200163650016900195  a(pbk)  a621.3815bBRI  aA.M. Malhotra (editor)aP.S. Bright (editor)   aBright's 100 electronics projects   aNew Delhi bBright Careers Limited c1968  aviii, 132b: ill.c; 27 cm.  aElectronics aElectronics circuits aTheft proof coin box aAudio signal injectors vMulti range timer vElectronic emitator  vFlood alarm vElectronic eye vFEAS