BASF test brick - C1-C4

Logo: Modern logo.

 

Material: unknown

 

Wall type: thick walls

 

Inner ribs: none

 

Inner tubes:

 

Flowrib / center line inside top surface : Yes

 

Mold pip: just above the middle on the short side.

 

Mold position numbers: scratched C/1 to C/4 above/below the right tube.

 

Intellectual property protection: Pat. pend.

 

Colors known: Many.

 

Remarkable features:

• Many odd colors.

• Many of the bricks make a "glassy" sound when you drop them on the table, recognisably different from regular ABS and CA bricks.

 

UNANSWERED QUESTIONS

• Like so many of the odd bricks... why were these made?

Done