family on color, she wondered that Cut a paper triangle and use it on this spec- trum, to find triads as suggested by Polly on they had not died of coloritis. page 30. “ I have often heard you speak of analogous harmonies, complementary colors, and triads,” said Betty to Polly one day, as Polly’s…
Interior decoration · Paint · Varnish and varnishing
Internet Archive · Building Technology Heritage Library · Public domain (published before 1931). Free to use for anything.