The carriage

P1020496
Right-hand side of the Carriage with the cam, which is attached to the Triplex carryover transfer cam shaft.
P1020528
The cam in the Carriage
P1020529
Enlargement of the cam, with two engraved lines which must be aligned at the time the carriage is fitted.
P1020525
The shaft which is specific to the Triplex mechanism (Register IV). Below, the bevel pinions and the fingers which operate the carry sense levers.

The gears

P1020500
Top view of the Add-and-carry mechanism. The long cylinder (drum gear), at the top, is coupled with the accumulator and drives the Register IV camshaft.
P1020504
The stepped drums connected with the Register IV, during a Multiplication.
P1020510
The Add-an-carry mechanism, in the rear part of the machine, shown from the right-hand side, just before fitting the carriage.
P1020511
The stepped-drum assembly, with the pinions which slide along the square shafts, in order to have exactly the right position, to be caught by the drum.

The motor

P1020083
This is the electrical motor of a 20BTZG model. It was manufactured in Germany, by Siemens.
P1020086
The same motor with its trimming condensator.
P1020084
The second condensator (interference suppression capacitor).
P1020085
Enlargement of the main condensator, also manufactured in Germany (by Bosch).

Left side

P1020516
The left-hand side, in the foreground, and the links connecting the keyboard to the sliding pinions, in the background.
P1020515
There are 30 separate links and levers, fitted six layers deep on the outside of the left-hand side plate.
P1020073
Most of the left-hand levers are associated with the automatic carriage shifts that occur during set-up of operations.
P1020093
At the bottom of the left-hand side. The two slotted vertical key levers are to clear the count and accumulator registers.

Right side

P1020505
Zoom on a camshaft, which is engaged by the Division mechanism.
P1020509
There are about 35 links and levers, arranged seven layers deep.
P1020532
The main shaft gear with its brake arm at rest, steady in a notch in the disk.
P1020533
The brake arm is up, meaning that the motor has started for one cycle.

Inner side

P1020537
The right-hand side. The greatest rotating lever is used to start processing of a Division.
P1020513
The left-hand side. The last lever, at right, is used to engage or disengage Register IV from Register I.