Galway Advertiser 1977/1977_10_06/GA_06101977_E1_005.pdf 

Extracted text

WE'VE PUT A BRICK IN YOUR LOCAL SHOP W I N D O W
NOW GALWAY MILK WILL BE SOLD IN TETRA'BRIK'

For these very good reasons: TETRA 'BRIK' IS AIR FREE TETRA 'BRIK'IS COMPACT Which means the milk keeps fresher longer. Because of its unique modular design it is easy to TETRA 'BRIK' IS HYGIENIC handle and needs the minimum of space in the fridge. Each carton is made from three layers of material TETRA 'BRIK' SEALS IN ALL NATURAL GOODNESS and by a special process is formed round the milk in the dairy.

GALWAY MILK IS BETTER IN TETRA'BRIK'