Chartwell Collimation Book – 2426

Chartwell Collimation book – 2426 model is a common field notebook for use in surveying, engineering, and some earth science sectors or fields of study. It features a bright yellow cover for high visibility, useful if you accidentally drop or misplace your book. The covers are hard, further providing you with a flat, sturdy surface to write or sketch upon. Quite useful especially when out in the field. Side bound, it opens from the left, allowing you to take measurements horizontally in the empty fields provided. Overall this notebook measures 192 x 120 mm and is handy to place in your rucksack, carry in your hand or even slip into large coat pockets.

The Chartwell Collimation book – 2426 version contains 80 leaves of 50% rag bond paper. It is water resistant and quick drying, ensuring no loss of notes or sketches taken. Especially in environments where the elements can change from one moment to the next. The pages are held and sewn with rot-proof thread, so will not unravel when wet. Thanks to the high cotton linter count, the paper also has fantastic tear resistance and strength. Again, all of these features serve these notebooks well in the field where conditions are not always preferable.

The pages feature a layout with empty fields, ready for you to enter readings and notes. Set out in an industry-standard way for undertaking leveling surveys. Such as backsight intermediate, front sight, reduced level, distance, and remarks. In all, it is a standard notebook for use within the geotechnical, engineering, and construction fields of work. However, it is also necessary when performing leveling surveys within quarries or underground mining. In order to determine the rise and fall levels of platforms, tunnels, placement of equipment and so on.