Mechanical Devices in the Home
CHAPTER XXXVI. TYPEWRITERS 202
256. Construction of typewriter. 257. Special features of typewriter. 258. Interchangeable-type typewriters. 259. Care of typewriters. 260. The hectograph. 261. Mimeograph and multigraph.
Mechanical Devices in the Home
256. Construction of typewriter. 257. Special features of typewriter. 258. Interchangeable-type typewriters. 259. Care of typewriters. 260. The hectograph. 261. Mimeograph and multigraph.