1936 Trade Marks Jrnl. 2 Jan. 2/2 Monastral... All goods included in Class 1, but not including chemical photographic developers and not including any goods of a like kind to chemical photographic developers.

1936 Discovery Jan. 2/1 A new blue pigment, which combines fastness to light, heat, acids and alkalis with tinctorial strength, has recently been introduced by Imperial Chemical Industries, Ltd. Known as Monastral Fast Blue BS.

1958 Times 4 Dec. 3/2 Some series of squares [of mosaic] were made to order in a precise shade of colour indicated by Mr. Piper himself, a rich monastral blue and a delicate pale yellow being examples.

1961 H. F. Payne Org. Coating Technol. II. xx. 904 At present a family of three distinctly different pigment colors is commercially available, namely: Monastral Red B: a dark, transparent, blue-shade red toner; Monastral Red Y: a yellow-shade red toner, lighter and more opaque in mass tone than red B; Monastral Violet R: a dark, transparent, red-shade violet toner.

1991 Ships Monthly Apr. 10/3 Duke of Argyll..started life with the old black hull..before receiving the monastral blue hull of Sealink..in October 1964.

1986 Cell Motility & Cytoskeleton 6 163 The migrations of the sperm and egg nuclei during sea urchin fertilization are dependent on microtubules organized into a radial monastral array.

1997 Developmental Biol. 189 49 The first cleavage in the Tubifex egg is unequal and involves a monastral mitotic apparatus.