183-1 (Inv) Complete Train Set with Motor and Signal 183 Parts, 1976 Sets: Train: 4.5V
* Change 1 Part Black {3403c01 Turntable 4 x 4 Square Base with (Same Color) Top (3403 / 3404) to 3404ac01 Turntable 4 x 4 Complete, Faceted}
Comments from Submitter:
Clearly visible in instructions
Instructions are unfortunately not a reliable source of actual contents of the
set as they're produced (possibly a long time) ahead of the actual bricks
in the set.
The part in question was once in the inventory as a variant. You can read here
why it was removed: