Easels and plastercasts were mixed with type-moulds and galvanic batteries, and Morse turned from a portrait to his working model of telegraph transmitter and back again a dozen times a day. 鲁伯特·萨金特·荷兰.历史性发明.
There were a dozen easels in the room, and as many artists transferring the great picture to their canvases. 马克·吐温.傻子出国记.