| An early SSB transitter from Central Electronics Inc. Chicago Illinois: | |||||||
| Multiphase Exciter Model 20 A | Early SSB Exciter deploying "Phase Method" | Download Instruction Manual | CE 20 A IM | ||||
| Download Instruction Manual | CE 20 A SCH | ||||||
| Download Broschure | |||||||
| Download Change Notices | |||||||