摘要 |
529,377. Lamps. GENERAL ELECTRIC CO., Ltd., FRANCIS, V. J., and STEVENS, W. R. May 5, 1939, No. 13495. [Class 75 (iv)] H.P.M.V. lamps are mounted with their axis coincident with the axis of the reflector. The lamps are two ended and have a defined ratio of power dissipated to length of discharge. Reference has been directed by the Comptroller to Specification 455,971. |