000			00407pam a2200133a 44500
082			_aARC _bR&M 2751
100			_aSquire,H B
245	1		_aEXPERIMENTS ON CONICAL DIFFUSERS
260			_a _bHer Majesty'S Stationery Office, London _c1953
300			_a18
500			_aBound With Arc R&M2716-50,2753-95 Lack No.2717-24,2726-30,2732-49,2752,2755-62,2764-78,2780-84
964			_gCIRC
997			_aTR17028 C
999			_c401571 _d401571