1942 · Lorenz Attachment · Werk 463 von 1.871

The later cipher attachment with its cover removed, twelve toothed wheels in a row on a common shaft, each wheel with movable cams around its rim, the cam settings visible as a pattern of raised and lowered tabs around each wheel, wheels of different diameters, a steel frame around them, the attachment standing on a steel table with a teleprinter beside it, a single work lamp from above at an angle, brass cams and steel catching the light, the room behind in darkness.
Jeder Verweis nennt seine Art. „Vorläufer“ allein wäre eine Behauptung.