Lew Bryson. 2025. American Whiskey Master Class: The Ultimate Guide to Understanding Bourbon, Rye, and Other American Whiskeys. The Harvard Common Press, an imprint of The Quarto Group.
Filtering subtracts selectively while proofing changes presentation
Lew Bryson. 2025. American Whiskey Master Class: The Ultimate Guide to Understanding Bourbon, Rye, and Other American Whiskeys. The Harvard Common Press, an imprint of The Quarto Group. chap. 14, “Proof, Package, Bottle,” filtration and proofing discussion.
chap. 14, “Proof, Package, Bottle,” filtration and proofing discussion
Bryson 2025, chap. 14, “Proof, Package, Bottle,” filtration and proofing discussion
chap. 14, “Proof, Package, Bottle,” filtration and proofing discussion
2026-09-16 locator audit: reader locator checked against the supplied 368-sheet ebook. Internal retrieval: PDF sheets 270–287; these are not printed page numbers. Supersedes legacy locator PDF p. 220–PDF p. 223. Chapter/section identification is verified; this does not independently validate every historical, legal, or scientific claim in the passage. Earlier verification notes retained below: Created from the verified Excerpt, canonical Source metadata, contribution credits, and matching locator during the Knowledge Library closure audit on 2026-08-31.
September 29 source audit
Checked against the supplied 2025 edition, 368 PDF sheets: PDF sheets 271–277, chap. 14, “Proof, Package, Bottle,” filtration and proofing discussion. These are digital-file coordinates, not printed pagination. The section locator in the formatted citation remains usable.
The protein-only haze explanation and 46 percent threshold are oversimplifications. The informal Michter's samples do not establish a general sensory effect of chill filtration.
Evidence: 