Water-marks on Writing-paper

On this subject C., will, I think, find all the information he seeks in a paper published in the *Aldine Magazine*, (Masters, Aldersgate-st., 1839). This paper is accompanied by engravings of the ancient water-marks, as well as those of more modern times, and enters somewhat largely into the question of how far water-marks may be considered as evidence of precise dates. They are not always to be relied upon, for in December, 1850, there will doubtless be thousands of reams of paper issued and in circulation, bearing the date of 1851, unless the practice is altered of late years. Timperley's *B…