Two base types were used, with various cavity numbers and auxiliary lettering.
Base 1, Z 5, 1 A
Base 1, Z 5, 1 A
Base 1, Z 5, 2 A
Base 1, Z 5, 2 A
Base 1 "Z 5":
"61-R" in large lettering, "1 A" or "2 A" below it, "Z 5" below that. Used ca. 1941. Clock is upright on base.
61-R Z 5
Base 1, LD, 2 A
Base 1, LD, 2 A
Base 1 "LD":
"61-R" in large lettering, "2 A" below it, "LD" at right angle on the right. Used 1941 - 1942. Clock is upright on base.
61-R LD
Base 1, LD, 1 Rectangle, 1 A
Base 1, LD, 1 Rectangle, 1 A
Base 1 "LD", One Rectangle:
"61-R" in large lettering, "1 A" below it, "LD" at right angle on the right, recessed rectangle on left. Used ca. 1941. Clock is upright on base. ("2 A" not seen yet.)
61-R LD
Base 1, LD, 2 Rectangle, 1 A
Base 1, LD, 2 Rectangle
Base 1 "LD", Two Rectangle:
"61-R" in large lettering, "1 A" below it, "LD" at right angle in recessed rectangle on the right, empty recessed rectangle on left. Used 1941 - 1942. Clock is upright on base. ("2 A" not seen yet.)
61-R LD
Base 2, Z 7, 1 A
Base 2, Z 7, 1 A
Base 2, Z 7, 2 A
Base 2, Z 7, 2 A
Base 2 "Z 7":
"61-R" in small lettering, "1 A" or "2 A" below it. The "1 A" base has auxiliary lettering "Z 7" on the left side, the "2 A" base has the auxiliary lettering "Z 7" on the right side. Clock tilts back on base. Used in 1944.
61-R Z 7
Base 2, Z 3, 1 A
Base 2, Z 3, 1 A
Base 2, Z 3, 2 A
Base 2, Z 3, 2 A
Base 2 "Z 3":
"61-R" in small lettering, "1 A" or "2 A" below it. The "1 A" base has auxiliary lettering "Z 3" on the left side, the "2 A" base has the auxiliary lettering "Z 3" on the right side. Clock tilts back on base. Used from 1945 to 1947. No extra casting dots in base.
61-R Z 3
Base Z3 ◯ 1A
Base Z3 ◯ 1A
Base Z3 ◯ 2A
Base Z3 ◯ 2A
Base 2 "Z 3 ◯":
"61-R" in small lettering, "1 A" or "2 A" below it. The "1 A" base has auxiliary lettering "Z 3" on the left side, the "2 A" base has the auxiliary lettering "Z 3" on the right side. Clock tilts back on base. One extra casting dot in base, centered below the two screws. Used from 1947 until the end of production of style 5.
61-R Z 3
Base Z3 ◯ ◯ 1A
Base Z3 ◯ ◯ 1A
Base Z3 ◯ ◯ 2A
Base Z3 ◯ ◯ 2A
Base 2 "Z 3 ◯ ◯":
"61-R" in small lettering, "1 A" or "2 A" below it. The "1 A" base has auxiliary lettering "Z 3" on the left side, the "2 A" base has the auxiliary lettering "Z 3" on the right side. Clock tilts back on base. Two extra casting dot in base, located by the front base pads. Used from 1947 until the end of production of style 5.