Grangemouth Test Bricks
An overview of the different Borg-Warner Grangemouth test bricks that we know. The dates shown are my estimation.
Bayer Old Logo: Hole in a Stud
A hole in one stud of all no 19. [Original post and comments on Flickr.]
Missing Tube in Bayer Old Logo
Missing tube of all no 5. Surprisingly no no1 was found in 6kg old logos… [Original post and comments on …
BASF Overview
Here is an overview of all BASF brick versions I know. Top row BASF C1-C4 Pat. Pend. Scratched C and …
BASF Test Brick – Number Only (1)
These bricks have been found together with BASF V-bricks with closed studs. Looking at the mold markings, this mold must …
BASF Test Brick – Old Logo, Mold Pip Stud, With Roman Numerals
This mold was possibly first used in regular production, but I have not found any corresponding bricks yet. The uncommon …
BASF Test Brick – Old Logo, Mold Pip Stud, With Roman Numerals (VII)
Many of the bricks from this mold show black marks like those shown in this photo. Wikipedia Moulding defects: Burn …
The Golden Glow
This is an old test brick (BASF old logo, mold pip stud, Roman numerals inside). The chemical companies that made …
BASF Test Brick – V – Phase 3 With Closed Studs
This mold was made by a revision of the older V mold. The stud holes have been closed. The mold …
BASF Test Brick – V Light Grey Glitter
The two bricks in this photo have the same color, but the reflected color changes strongly depending on the orientation …