* Delete 1 Part 2436 Black Bracket 1 x 2 - 1 x 4 (match ID 1)
* Delete 1 Part 3794 Dark Bluish Gray Plate, Modified 1 x 2 with 1 Stud (Jumper) (match ID 2)
* Change 1 Part Black 2436b Bracket 1 x 2 - 1 x 4 with Rounded Corners {Alternate to Regular} {match ID 1 to 0}
* Change 1 Part Dark Bluish Gray 3794b Plate, Modified 1 x 2 with 1 Stud with Groove (Jumper) {Alternate to Regular} {match ID 2 to 0}
Comments from Submitter:
This is one of those inventories done from instructions, and the variants are just a guess. If someone has found one of these early variants in their set, please speak up.