Nautical Research Guild The Nautical Research Guild is an international organization of ship modelers, maritime artists, nautical archeologists and historians who are dedicated to enhancing the art and experience of ship modeling.
Power Inverters and Solar Panels for Models Sells power inverters and solar panels used in model creation. Also carries many portable power units used when enjoying outings with models.
Steam Engine Valve Gear simulator (PC, Windows) Charles Dockstader made a wonderful freeware software for Windows that simulates various types of steam engine setups and lets the user change settings to test different settings.