Document 8Vyn2eO6D0qw3GM9XopEJ4vnk

Finished product Specification MBUBTi SPECIAL TOISRANCE BUCKS---------IMD SDPEHEI BLOCKS CR MI-1915 SILICATE) SUPEREI BLOCKS 17. FBCDPCT AND INSPECTION STANDASPSi (Cont'd) A. Appearance (Cont'd) 2. Warpage Shall not exceed 1/32* In 2li* of length when measured as follows t lay straight-edge across the block from end to end. Measurement shall be taken at the point of maximum gap between block surface and straight-edge (chordal height). 3. Broken Corners Shall be permissible to the extent shown by Std. Samples, approved by the Sales Department 12-5-50, and as here defined: The missing length of the three edges of any one corner which would meet at the corner, when totalled shall not exceed 2 inches; except that one such corner may measure a total of not more than U inches. M IS IS return to J-MRESEARCH FILEROOM v INDICATE! Change TitleA - chanok - dkadoni ^ in Mmtomrrr mCMNM ~-- Regular Approvals - E. C. Lindstrom 's letter of 2-5^53 C. A. deVyver arMPT. PMWUKI MlDUM- POftM PRINTED IN W.S.A. *' Part of page 1 same spec, entitled *MX-19l5 Silicated Superex Blocks" dated 1*--21:--51. MPW. flUA. DATS USD 2-13-53