Quotables
"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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Construction
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icons below for an RSS feed of the most recent documents in each class. What is RSS?- 172 Earth workingSubclasses: 837
- 454 VentilationSubclasses: 380
- 175 Boring or penetrating the earthSubclasses: 352
- 125 Stone workingSubclasses: 69
- 411 Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastenerSubclasses: 691
- 171 Unearthing plants or buried objectsSubclasses: 144
- 403 Joints and connectionsSubclasses: 431
- 285 Pipe joints or couplingsSubclasses: 554
- 182 Fire escape, ladder, or scaffoldSubclasses: 291
- 144 WoodworkingSubclasses: 530
- 248 SupportsSubclasses: 801
- 256 FencesSubclasses: 90
- 277 Seal for a joint or junctureSubclasses: 399
- 312 Supports: cabinet structureSubclasses: 464
- 211 Supports: racksSubclasses: 315
- 249 Static moldsSubclasses: 221
- 108 Horizontally supported planar surfacesSubclasses: 254
- 404 Road structure, process, or apparatusSubclasses: 142
- 212 Traversing hoistsSubclasses: 200
- 138 Pipes and tubular conduitsSubclasses: 118