Increment borer

Increment borer.

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Historical information

An increment borer is a specialised tool to extract a sample of wood tissue from a living tree.
The tool consists of a handle, an auger bit and a small, semi-circular metal tray (the core extractor) that fits inside the auger bit.
The core sample can be used to count the growth rings of the tree, to reveal its age, and the spacing of the rings to determine the growth rate.

The core extractor fits inside the auger which, in turn, fits inside the handle to form a compact unit for transport.

Physical description

Increment borer

Inscriptions & markings

AND Mattson - Sweden #4333

Subjects

References

Increment borer

Identifier

VFHM 24/021

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Victorian Collections

https://victoriancollections.net.au/items/65dd10355f2adf35440d90e9

Accessed 4 June 2026

This record was last updated 3 days ago

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Increment borer

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