WRme2: Test molds in the production process
WRme2: Suspected and known origins of test bricks
WRme2: Quick reference guide
WRme2: Grangemouth test bricks
WRme2: Grangemouth test brick - D (old logo, tiny pat pend)
WRme2: Grangemouth test brick - D
WRme2: Borg-Warner Grangemouth - mould Y
WRme2: New Borg-Warner Grangemouth test bricks: mould Y
WRme2: Borg-Warner Grangemouth - mould Y
WRme2: Wanted: Grangemouth 8-9-O10-O11
WRme2: Grangemouth
WRme2: Grangemouth
WRme2: Grangemouth
WRme2: Grangemouth with orange
WRme2: Grangemouth brick (F)
WRme2: Grangemouth brick (F)
WRme2: Grangemouth test brick
WRme2: Grangemouth brick (F)
WRme2: Borg-Warner Grangemouth test brick - mould F
WRme2: UK test bricks of unknown origin
WRme2: UK test brick - Wrexham(?) - old logo - M (Maxx brick)
WRme2: UK test bricks - Wrexham N and P
WRme2: US test bricks - Mold B
WRme2: US test bricks - comparing nr 12 bricks
WRme2: US test bricks - Mold B - error (1)
WRme2: US test bricks - Mold B - error (2)
WRme2: US test bricks - Mold B - error (3)
WRme2: Marbon/Borg-Warner Amsterdam test brick - D (old logo, tiny pat pend)
WRme2: Marbled Marbon/Borg-Warner Amsterdam test brick - D (old logo, tiny pat pend)
WRme2: Marbon/Borg-Warner Amsterdam test bricks - mold G