There is a certain knack required in pasting a bill on a rough board, so that it shall spread out smoothly, and be easily read by every pedestrian; but the difficulty is increased fourfold when it is necessary to climb a high ladder, paste-can, bills, and brush in hand. The wind will probably blow the advertisement to pieces before it can be affixed to the wall, unless the bill-sticker is cool, prompt in his action, and steady of foot. Thus the "ladder-men," as they are called, earn much higher wages, and the advertising contractors are generally glad to give them regular employment. The salaries of these men vary from £1 to £1 15s. per week, and they work as a rule from seven in the morning to seven at night.

From 'Street Life in London', 1877, by John Thomson and Adolphe Smith