Some of the color slides and films were painstakingly hand painted. And this was done repeatedly, for, in time, 20 four - part sets were prepared.
કેટલીક રંગીન સ્લાઈડ્સ બહુ જ પરિશ્રમ કરીને હાથથી બનાવવામાં આવી હતી.