There is no set structure you must follow but as a general rule, it is a good idea to set aside several pages at the start of the notebook for use as a table of contents. This will help you and others find things in the notebook quickly later. A brief (10 word) description of the experiment, date - including year, and the page numbers on which the experiment is described constitute a useful table of contents entry.
In terms of recording your daily work, a good guideline to follow is record everything that you feel is important at the time that you do it, i.e., "when in doubt write it out!"
Each entry should begin on a new page of the notebook. A descriptive title should appear at the top of the page together with the data on which the work is being done (be sure to include the year). Note that exactly the same information should appear in your table of contents at the front of your notebook.
What Should I Record in My Notebook?
