Dendrograph Experiment At Bronx Park Botanical Garden
A New York Bronx botanical garden tree hosts a dendrograph setup to record growth. Visitors see a wire cage around the central trunk with a tin housing for the recording drum, a belt of blocks, and a recording rod marking growth on a cylinder.
MENTIONED IN THIS ARTICLE
Botanical Gardens
Bronx Park
New York
Dendograph records tree growth with precision on maple trunk
A sugar maple foot in diameter bears a dendograph installed before growth, recording daily volume changes with high accuracy. The device requires weekly wind and a fresh sheet. a belt clamps around the trunk with slotted yoke bars, touching only tangents to avoid affecting growth.
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