The machine is enclosed in a box 17in. long, Yin. wide, and 3in.deep, and as the total weight is only 5ilb., it will be seen that it isvery portable. The illustration gives a fair idea of the apparatus,when standing on a table, with the box opened, and ready for work.The mechanism is carried upon a…
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-428-264.webp)
