description on machine: The Magneta M.16 Time Recorder suppled by Magneta (B.V.C.) Limitied. Goblin Works. Leatherhead. Surry. England.
Malcolm added " have the original envelope with original tags confirming the following: CAI: B6738 Timing: 230AC Stamping: 230AC Funnel: A 3.380" Ladder Spacing: .240" Ratchet (T Unit): SA 12117 Cam (Type Unit): SA 10292 Ratchet (Ladder): SA 12118 Cam (Ladder): SA 51877 Dial: Magneta (White) Test Card: 2087 Colour: Blue Code: AC/160006132 (This is the serial Number). These pictures provided by Malcolm Clarke