One of the first patent cases Ammann & Co. worked from the clock making industry. The subject of this patent CH290044 was a new winding and clock hand positioning mechanism. Figure 1 shows the following components:

1 Rocking-Bar
2 Cap Screw
3 Minute Setting Wheel
4 Winding Wheel
5 Ratchet Wheel
6 Minute Wheel
7 Transmission Wheel
8 Winding Pinion
9 Winding Stem
10 Square Head
11 Opening
12 Rocking Bar Spring
13 Crown
14 Setting Lever
15 Jumper

Compared to the options available today, technological aids for office work were severely limited in the past.