The AEG KAL portable ticket machine @jaapsch2
The AEG KAL portable ticket machine  @jaapsch2
Uploaded November 2022 | Updated September 2026, 1 hour ago
This AEG KAL ticket machine was used by the Dutch national railways in the 1970s. The ticket details are set with the input pins, and a turn of the crank then issues a newly printed ticket. It has a locked cartridge with a control copy of all tickets printed.

For more information on this and other machines in my collection, please visit my website:
jaapsch.net/mechcalc

0:00 Introduction
0:23 Input
1:13 Printing a ticket
2:07 Removing from the stand
2:29 Counter registers
3:33 Opening the case
4:05 Control cartridge
6:24 Ink roller
6:53 Setting the date
7:15 Print locking mechanism
8:04 Print cycle
9:20 Outro
The AEG KAL portable ticket machineThe Hamann Manus EThe Facit C1-13 CalculatorThe Multo mechanical calculatorThe mechanism of the Monroe Calculator Model F
Jaap Scherphuis |

The AEG KAL portable ticket machine

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