Monzert, Leonard. Monzert’s Practical Distiller. New York: Fitzgerald Publishing Corporation, n.d. Copyright 1889 by Dick & Fitzgerald. Supplied 168-page scan.
Monzert introduces blending as mixing materials of the same general nature, including old and new whiskey. He distinguishes it from dilution presented as fictitious strength and from assembling compounds using other ingredients. He also emphasizes skill and warns that compatible ingredients are necessary and that separating and recombining constituents does not simply recreate a fine liquor.
Monzert, Practical Distiller, PDF 88–90 (Printed84–86; on blending and compounding).
Leonard Monzert, Monzert’s Practical Distiller (New York: Fitzgerald Publishing Corporation, n.d.; copyright1889), PDF 88–90 (Printed84–86; on blending and compounding).
PDF 90
PDF 88
Monzert, Practical Distiller, PDF 88–90.
Printed84–86; on blending and compounding
Checked against supplied scan. Citation supports an attributed account of the source, not independent validation. His distinctions are historically specific and not current legal definitions. His later adulteration chapter uses the categories less consistently. The proposed friction-based explanation of mixture behavior is not accepted here as chemistry.
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PDF 88–90; Printed84–86; on blending and compounding. Evidence: 
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Leonard Monzert, Monzert’s Practical Distiller (New York: Fitzgerald Publishing Corporation, n.d.; copyright1889), PDF 88–90 (Printed84–86; on blending and compounding).
Short reference: Monzert, Practical Distiller, PDF 88–90.
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Used in research synthesis
His distinctions are historically specific and not current legal definitions. His later adulteration chapter uses the categories less consistently. The proposed friction-based explanation of mixture behavior is not accepted here as chemistry.
Verification checklist
Ready for attributed source discussion only; does not certify the historical claims as independently true.