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A Difcourfe concerning the Muficd Notes of the 
Trumpet, and Trumpet-Marine, and of the de- 
feats of the fame, by the Honourable Francis 
Roberts, % % S. S. 
THE Trumpet fo famous in all Ages for its ufe in 
War, the lowdnefs and noblenefs of its found 
peculiarly fuiting it to that purpofe, is neverthelefs to be 
reckoned among the imperfeft Mufical Inftruments. For 
though it has a large compafs, the greater part of the in- 
termediate Notes are wanting, and fome of themimper- 
feftv The extent of this Inftrument cannot be ftridtly 
determined, it reaches as high as the ftrength of the 
breach can force it, but by confidering its Notes withio 
the ordinary compafs of the Scale of Mufick ( from 
double C fa-ut to C fol-fa in alt) the nature of the higher 
Notes will plainy appear, Thefe are all fet down in 
the Table (Fig. I.) only take notice that the Prickt 
Notes are imperfect, not being exactly in Tune, but a 
little flatter or ftiar per than the places where they ftand, 
according as f or s is fet over therm 
Here we may make two inquiries. 
I. Whence it comes to pais that the Trumpet will 
perform no other Notes (In that compafs J but only thofe 
in the Table, Which are ufually called by Muficians 
Trumpet Notes, 
i. What is the rcafoflthat the?th. lith. 13th. and 
and 14th. Ndtes are out of Tune, and the others exact- 
ly in Tune. 
In this matter we fray receive fome light from thfe 
Trumpet- Marine, an Inftrument though as unlike as pot 
fible to thfc Triirnpet ifi its frame (one being a Wind-In- 
ftrument, the other a Monochord) yet has a wonderful 
agreement with it in its effe£h The 
