AEROGRAPHER'S MATE 3 & 2 



Part 2— Component indicators— Continued 



Component 

 indicator 



Family name 



Definition of example (not to be construed as limiting the 

 application of the component indicator) 



ID 



Indicating 

 devices 



Calibrated dials and meters, indicating lights, etc. (See IP.) 



IP 



Indicators, 

 cathode ray 

 tube 



Azimuth elevation, PPI panoramic, etc. 



M 



Microphones 



Radiotelephone, throat, hand, etc. 



MD 



Modulators 



Device for varying amplitude, frequency, or both. 



ME 



Meters, 



Multimeters, volt-ohm milliammeters, vacuum tube volt- 





portable 



meters, power meters, etc. 



MK 



Miscellaneous 

 kits 



Maintenance, modification, etc., except tool and crystal. 



ML 



Meteorological 

 device 



Barometer, hygrometer, thermometer, scales, etc. 



MT 



Mountings 



Mountings, racks, frames, stands, etc 



PH 



Photographic 

 articles 



Camera, projector, sensitometer, etc. 



PT 



Plotting equipments 



Except meteorological boards, maps, plotting table, etc. 



R 



Receivers 



Receivers, all types except telephone. 



RD 



Recorders- 

 reproducers 



Sound, graphic, tape, wire, film, disk facsimile, magnetic, 

 mechanical, etc. 



RF 



Radiofrequency 

 component 



Composite component of RF circuits. (Do not use if better 

 indicator is available . ) 



RG 



Cables and 

 transmissions 

 line, bulk RF 



RF cable, waveguide, etc, without terminal. 



RO 



Recorders 



Sound, graphic, tape, wire, film, disk facsimile, magnetic, 

 mechanical, etc. 



RR 



Reflectors 



Target confusion, etc Except antenna reflectors. (See AT.) 



RT 



Receiver and 



Radio and radar transceivers, composite transmitters and 7 





transmitter 



receivers, etc. 



440 



