Declassified UFO / UAP Document
Prov nr 10 (Sample No. 10)
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AI-Generated Summary
A 1946 Swedish military report analyzing two small grains submitted by a citizen. Experts concluded the grains were likely quartz particles collected in a person's hair during a whirlwind.
This document, dated July 17, 1946, details the analysis of 'Sample No. 10' (Prov nr 10) received by FOA,1. The sample originated from Nils Johansson in Bruzaholm, who submitted two small grains in a parchment envelope following a telephone conversation with the Air Defense Department of the Defense Staff. The grains, measuring approximately 1 mm and 2 mm in diameter, were subjected to microscopic examination. The analysis determined that the grains consisted of a hard, transparent material, identified as likely being quartz. The larger grain exhibited a thin layer of a soft, transparent substance, which was concluded to be paraffin residue from the envelope. Following consultation with Professor Aminoff and Dr. Zenzén at the Mineralogical Department of the Swedish Museum of Natural History, it was determined that the phenomenon experienced by the individual who collected the grains was likely the result of a whirlwind (tromb) that had stirred up sand, causing the particles to become lodged in the person's hair.
diskussionen i antagandet, att det fenomen, som iakttogs av den person, som tillvaratagit de insända kornen, måste ha stått i samband med en tromb, som virvlade upp sand, varvid kornen fastnat i vederbörandes hår.
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Official Assessment
The phenomenon observed by the person who collected the grains was likely related to a whirlwind that swirled up sand, causing the grains to become stuck in the person's hair.
Microscopic examination suggested the grains were a hard, transparent material, likely quartz. The presence of a soft substance on one grain was attributed to paraffin from the envelope used to transport them.
Witnesses
Key Persons
- Professor AminoffExpert at the Mineralogical Department of the Swedish Museum of Natural History
- Dr ZenzénExpert at the Mineralogical Department of the Swedish Museum of Natural History