Mechanical Devices in the Home
CHAPTER XXXII. DUMBWAITERS AND OTHER HOUSE FURNISHINGS 183
228. Dumbwaiters and window adjustments. 229. Check valves. 230. Door fastener. 231. Window shades. 232. Hinges. 233. Sliding doors.
Mechanical Devices in the Home
228. Dumbwaiters and window adjustments. 229. Check valves. 230. Door fastener. 231. Window shades. 232. Hinges. 233. Sliding doors.