Atlas Chemical Testing Laboratories report of determination on nylon fibre cording, with photomicrograph
Document date 2 October 1977
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Id: Cooper-Part-121:070-072
Subject: Cooper Files: Cooper-Part-121:070-072 Document: Atlas Chemical Testing Laboratories report of determination on nylon fibre cording, with photomicrograph Id: Cooper-Part-121:070-072 Page: https://cooper.theunsolved.net/documents/Cooper-Part-121%3A070-072 What is wrong (title, date, type, which pages belong together, copies)? What does the scan show?
A person reads every report. Corrections are made by hand, to the data — titles, dates, names, which pages belong together — never to the scans, and they can take a while to appear.
FBI 164-81, Vault Part 121 pp. 70–72 (DB Cooper-55579–55581), Report, dated 2 Oct 1977 — cooper.theunsolved.net/documents/Cooper-Part-121%3A070-072
Atlas Chemical Testing Laboratories, Inc. 2765 SO. HIGHLAND DR., SUITE 204 • (702) 735-6171 • LAS VEGAS, NEVADA 89102
October 2, 1977 [redacted box]
CHEMICAL PHYSICAL FORENSIC member of AMERICAN SOCIETY FOR TESTING MATERIALS
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LABORATORY NO: [redacted]
SAMPLE: Fibre Cording
MARKED: Cascade Mts. in Northern Oregon on May 21 or 22
DATE RECEIVED: 9/29/77
SUBMITTED BY: [redacted box]
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REPORT OF DETERMINATION
The sample of material submitted to our laboratory for analysis was identified as nylon cording by morphological examination, see the attached photomicrograph of fibre magnified to 300X.
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Respectfully submitted,
ATLAS CHEMICAL TESTING LABORATORIES, INC.
[redacted box]
Forensic Chemist
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This report is submitted to the addressed client for his exclusive use. As a protection to the client, the public and this laboratory, this report may not be used in whole or in part for advertising, publicity or promotion without this laboratory written authorization. [redacted box]
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164-81-#705 [partially legible, possible guess: 164-81-4705] SEARCHED..........INDEXED.......... SERIALIZED..........FILED.......... NOV 1 1977 FBI — SEATTLE
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DB COOPER-55579
[top edge, handwritten/typed, illegible] DB COOPER-55580 Mag = 300 Identified as Nylon
ATLAS CHEMICAL TESTING LABORATORIES, INC.
DB COOPER-55581
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[blank]
Serials: 164-81-#705 [guess, low confidence]