651,047. Horns. PRIMA INDUSTRIES, Ltd., and COLLINS, A. Aug. 13, 1948, No. 21358. [Class 13] A reed horn comprises a one-piece tubular member 3, e.g. of a die-cast light alloy, which is internally flared at one end to receive a trumpet 8 and at the other end is adapted for accommodating the reed 9 and a bulb 4, the latter end being provided with slots 3f to facilitate the insertion of an instrument for tuning the reed. A lug 3c integral with the tubular member 3 is serrated on the face which co-operates with a similarly serrated face on a clip 5.