 | Aeronautics - 1918 - 708 pages
...Cotton Aeroplane Fabric (Grade D) (2F3 April, 1918) GENERAL. — I. (a) The general specifications 1C1 shall form, according to their applicability, a part of these specifications. MATERIAL. — 2. The warp and filling yarns used in the manufacture of this fabric must be size 3/80. according to the English... | |
 | Aeronautics - 1917 - 744 pages
...standard itul ihctte. Specifications for Turnbuckles GENERAI . — 1. The general specifications, 1G1, shall form, according to their applicability, a part of these specifications. MATERIAL. — 2. Barrels shall be made of naval brass or equivalent alloy, IASB specifications 3N4. The shanks shall... | |
 | 1917 - 178 pages
...Standards Board SPECIFICATIONS FOR SEAMLESS COPPER TUBES. GENERAL. — 1. The general specifications, 1G1, shall form, according to their applicability, a part of these specifications. MATERIAL. — -2. (a) The copper used shall be lake or electrolytic, conforming to the 1. ASB specification 2N2. (b)... | |
 | Weights and measures - 1919 - 830 pages
...[International Aircraft Standards, 3X12, October, 1917) GENERAL. — i. The general specifications, iGi, shall form, according to their applicability, a part of these specifications. MATERIAL. — 2. (a) Two grades are recognized: Standard No. i, aluminum, not less than 99 per cent; standard No. a,... | |
 | Arthur William Judge - Airplanes - 1920 - 780 pages
...Sheet. 3S28 — Specifications for Alloy Steel Sheet. GENERAL. — 1. The general specifications, 1G1, shall form according to their applicability, a part...material for these sheets shall be chosen from the JASB standard alloy steels listed below: Thickness of Sheet. Maximum Permissible Variation. Inches.... | |
 | Aeronautics - 1918 - 672 pages
...from ¿>agc ,S7) SPECIFICATIONS FOR SOFT CARBON STEEL SHEET General i The general specifications, iGi, shall form, according to their applicability, a part of these specifications. Material ; The material for these sheets shall be chosen from the I. Л. SB standard steels listed below. The... | |
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English cotton yarn numbers. A tolerance of plus or minus four (±4) will be allowed in the size of single yarns. (b) The length of the staple of the fabric must not be less than ]<<, inches. 