No. 26 Wave
In this pattern the colours are drawn into an undulating form, the points of each row meeting each other. The colours are prepared the same as for nonpareil. The red, yellow, blue, and green are thrown on, over which is beaten or knocked a small white, but not too abundantly; there is now required a kind of double rake or frame, with teeth of stout wire about three or four inches apart, and let the teeth of the hinder one be so adjusted as to be exactly in the centre of the spaces left open by the first one; the second or hindmost row of teeth should be an inch and a half behind the former, the two forming but one instrument. Draw this through the colour similar to a comb, from left to right, but with an undulating or see-saw motion, just sufficient to make the top of the hindermost wave catch or touch the bottom of the foremost one, by which means it will produce a uniform appearance all over the sheet, something in the appearance of irregular squares.
There are some other patterns of a similar kind made without a small white spot, and the same design is sometimes worked upon a French marble, but these require no additional explanation. We now come to