(UN-1 12 and 5 b.)

1

1847.  Smeaton, Builders’ Man., 143. It is used for housepainting, less … in regard to its unalterability, than to its solubility.

2

1885.  Law Times, LXXVIII. 315/2. Not that there was any sanctity or unalterability inherent in the memorandum.

3