LLG-Lab Notebook for recording research data, experimental procedures, and design ideas. Use this notebook to keep your information safe and well organised. Numbered, acid-free, grid pages include spaces for title, project number, book number, date, and witness signature. Covers are waterproof and chemical-resistant. Contain periodic and conversion tables in the back. Admissible as court evidence when used as prescribed by law. Measures: 218 mm x 281 mm.