"7 
A Table of the Beats on Mr. H.’s Organ. 323 
Mr. HawkKeEs’s Drxseprave. 
VisRaTions and Beats in one Second. 
FS 3 
i . S$ 
a 2 = 
oa \ on If. 4 Mie 6. Vi. 
13} ¢ 480 16-8950] 8-9040} 4-1892} 3-1366]14-1980/14:1618 
138 Bx 527600 621260 
12 cb 37-0530 14-1694 42:0502 
121 B 450-6862]15-8632! 8-3160] 3-93S2] 2-9438]13-3296] 13-2984 
1lUBb 448-5307|15-0822) 8-0377| 3-7402| 2-7993]12.6756]12-6495 
Ax 423-1629|14-8954}34-7887| 3-6924/ 13-2041 |19-5162139:4815 
10 B bb 33-0801 37°5405 
10} A 2-3605|14-1618} 7-4641| 38-5112! 2-6289}1 1-9004!11-8707 
9] Ab 382-5802/42-0502! J-0990| 3-3404] 2-4986/49-5116]11-2882 
IG 377-7874/13-2934|31-0630} 3-2996| 2-4662)11-1692]35-2529 
81 G 359-2160/12-6425) 6-6648] 3-1360| 2-3464!10°6230] 10-5980 
8 FuK 39-4815] ~ ° 46°4880) 
71Gb 341-5570/37:5405} 6-3378|14-1694| 2-2302|44-2020] 10-0780 
7| Fx 377-2787|11-8707| 6-2581| 2-9438] 22033} 9 9756] 9:9505 
6| F 320-6982)11-2882! 5-9502| 2.7993] 2.0946] 94836] 9.4614 
6 Ex 35°2522 13-3041 41°4596 
5 Fb 24-7558 28-0962 
5\E $01-1130)10-5980) 5-5846) 2-6285] 1-9666) 8-9040] 88842 
4} Eb 286°3105}10'0780] 5-3115| 2.4986] 1-8701137°0530| 8:4475 
4ID* 282-7240} 9-9505)23+2440! 2.4662] 1-8462| 8°3610!26-3800 
3|D ¥68-8254| 9-4614) 4-9878} 2-3464| 1:7556 8-0377| 7:9316 
3 Cx x 34-7887 
2) Db 255-6102/28-0962) 4-7418! 2.9309! 1-6702|33'0801} 7°5411 
210% 252-4082) 8-8842)90-7298) 2.9033] 1-6498| 7:4641| 7°4477 
1c 240 (8-4475) 4-4520) 2-0946! 1-5680} 7'0990} 7-0809 
N.B.—In the vacant spaces the vibrations and beats are 
the same as those in the line immediately above or below, 
answering to the same finger-key, designated by the num~- 
ber in the first column. é j 
Norwich, April 8, 1811. C.J.SmyrTu. 
. 
LVII. Description ofa New Thrashing Mill. By H.P. Les, 
Esq, Maidenhead Thicket *. 
rai if BEG leave to state to the Society of Arts, &c. the 
vllowing particulars, relative to my attempts to improye 
the thrashing machine for corn, and of my success therein. 
Being largely concerned in agriculture, and having 800 
acres of arable land, I found that a thrashing machine or 
_* From Transactions of the Society for the Encouragement of Arts; Manuface 
tures, and Commerce, vol. xxviii.—The gald medal of the Society was giver 
to Mr. Lee for this invention. 
ion P< 2 two 
