Land O_ Lakes Butter-1931A.jpg ThumbnailsScientific American 1894-06-30ThumbnailsScientific American 1894-06-30ThumbnailsScientific American 1894-06-30ThumbnailsScientific American 1894-06-30ThumbnailsScientific American 1894-06-30
Even cream that tastes sweet is too sour to use in this butter. Ask the laboratory! Published in the June, 1931 issue of GOOD HOUSEKEEPING.



Source: Mariangela Buch

Restoration by: Mariangela Buch