an instrumentality needed for an undertaking or to perform a service

electronic equipment comprising the part of a tape recorder that reproduces the recorded material

equipment that records information about the performance of an aircraft during flight

a recorder for recording or playing cassettes

recording equipment for making compact disks

recorder consisting of equipment for making records on magnetic media

a recorder with two or more channels; makes continuous records of two or more signals simultaneously

electronic equipment comprising the part of a tape recorder that reproduces the recorded material