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Scheduled Maintenance:
Our website will be unavailable starting Friday, April 10 at 5:00 PM CST and will be back online Monday, April 13 at 6:00 AM CST.
We appreciate your patience.
Free Shipping on orders over $199
DC11115
Price: FREE
While on a hike you see a very tall pine tree ahead. Just how tall is the tree? Construct a handy instrument known as a clinometer and use it to indirectly measure the height of tall objects such as trees and buildings.
