Explanation of Graphical "Hot" Buttons

Pictures outlined in red or blue may be enlarged by clicking on the picture. Words in red or blue are links to other information. Please click on these.
-- This takes you back to the cover page of the current project. When you need to just go back one page, don't forget that you can use your browser's BACK button.

-- This always takes you to the next page of the project. If you try this from here, remember to use your browser's BACK button to get back here.

-- This icon of the Independence Train Station will almost always take you back to the table of contents. Sometimes, if there is one, it will take you to an index within a project. In this case, just click it once more to go to contents page. Click here to see a larger version.

-- In some projects, you will find this icon. Clicking on it will download a 148K train whistle (.wav). After the first download, it will probably remain in your browser's cache memory, giving a faster response next time.
Hope this helps you along your way.