Sentence:  In a telegraph system, a multiplex transmission circuit in which the signals transmitted comprise equal-impulse code combinations, a receiving distributor for separating the successive combinations into separate channels, a simplex <WSD>printer</WSD> for each channel, and local means including said distributor for generating start and rest impulses for each <WSD>printer</WSD>. 
Meaning of the word marked with <WSD> tags:  A device, usually attached to a computer, used to print text or images onto paper; an analogous device capable of producing three-dimensional objects.