The Wireless-Set-No19 Group
Class D Wave Meter No. 1 Mk 2/1 
  Serial No. 570467 
| The Wave Meter looks almost in new condition.  | ||
| Internally and externally it looks like new.  | ||
| Even the two bright silver 6 volt vibrators look and work like new.  | ||
| Internal components.  | ||
| Internally all components are original.  | ||
| Internally some components are dated late 1950's, making this possibly one of the last Class D Wave Meter  No. 1 Mk IIs to be made. | 
Class D Wave Meter No. 1 Documentation available from our group's archive.
| Number | Equipment | Title | 
| 721 | Class 
        
      D Wave Meter No.1 Mk I & Mk II  | |
| 37 | Class 
        
        D Wave Meter No.1 Mk I, Mk II & Mk II* | |
| 429 | Class 
        
        D Wave Meter No.1 |