Laboratory Notebooks Heathrow Scientific Laboratory Notebooks are designed for recording research data, experimental procedures, and design ideas in scientific and laboratory environments. These notebooks include useful reference materials such as periodic and conversion tables. Product Details: Brand: Heathrow Scientific Model: HS8610D Paper: Acid-free, numbered pages Page Type: Lined (college-ruled) for easy writing Cover: Waterproof and chemical-resistant Dimensions: 28.1 cm (11 in) x 21.8 cm (8.5 in) Number of pages: 200 pages Color: Red cover Key Features: Acid-free pages help preserve recorded information over time Includes spaces for title, project number, book number, date, and witness signature for proper documentation Waterproof and chemical-resistant covers protect the notebook from damage in lab environments Lined pages facilitate neat and organized note-taking Size suitable for easy handling and storage within laboratory settings