Silk Testing, Part 2 (Monograph 5001B)
Sample pages
Page 1, at reduced quality. Open the document to read every page in full.
Instruction paper from the International Correspondence Schools on laboratory testing of raw silk, covering the winding test, the sizing tests (regular 450-meter, American 225-meter, conditioned and compound) and the cohesion test. It describes sampling, preparing and weighing skeins, computing breaks per 100,000 yards, range and average denier, and the machines used (winding frame, sizing reel, quadrant balance, cohesion-card winder and cohesion machine). It includes illustrated apparatus, sample laboratory record forms and certificates, grading tables, and a set of examination questions for students.
- Type
- Monograph
- Date
- 1925
- Language
- English
- Pages
- 48
- Archive notes
- Scanned images provided by Tess Parrish. Copyright not renewed
(A free account is all you need)
From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
Have missing pages or a better copy of this document, or another document to share? Contributing documents »