Although she has used the typewriter since she was eleven years old, she is rather careful than rapid.
Per forating machines equipped with typewriter keyboards are used for the preparation of the messages, two or three keyboard perforators being employed at each end of the telegraph lines on which the Murray system is used.
It was thought advisable for me to have my examinations in a room by myself, because the noise of the typewriter might disturb the other girls.
The operator actuates a typewriter form of perforator which punches varying groups of holes, representing the different characters, in a paper strip about one inch wide.
My typewriter was much injured coming.