Coils, electric; particle accelerators; batteries, electric, for vehicles; accumulators, electric, for vehicles; battery jars; accumulator jars; battery boxes; accumulator boxes; acidimeters for batteries; hydrometers; plates for batteries; acoustic alarms; sound alarms; acoustic conduits; phonograph records featuring music; sound recording apparatus, namely, audio discs featuring music; speaking tubes; actinometers; adding machines; aerometers; enlarging apparatus in the nature of photograph...