TABLE B.

Angles subtended by the Mainmasts of French ships of war, between the water-line and the truck, also between the water-line and the crosstrees, at distances in yards, and in cables’ length; the eye of the observer being twenty feet above the water.

DISTANCES.		LINE OF BATTLE SHIPS.
		120 Guns.				90 Guns.				82 Guns.
		ft.    in.		ft.    in.		ft.    in.		ft.    in.		ft.    in.		ft.    in.
		219	9	158	5	201	9	150	11	192	5	138	0
		Truck		Main-		Truck		Main-		Truck		Main-
		of		topmast		of		topmast		of		topmast
	Cables’	main-		cross-		main-		cross-		main-		cross-
Yards.	length.	mast.		trees.		mast.		trees.		mast.		trees.
		°	′	°	′	°	′	°	′	°	′	°	′
120	½	32	14	24	13	29	59	23	3	28	47	21	11
240	1	17	7	12	29	15	46	11	50	15	4	10	54
360	1½	11	33	8	22	10	37	7	56	10	8	7	38
480	2	8	42	6	17	7	59	5	57	7	38	5	29
600	2½	6	59	5	2	6	24	4	46	6	7	4	23
720	3	5	49	4	12	5	20	3	59	5	6	3	39
840	3½	4	59	3	36	4	35	3	24	4	22	3	8
960	4	4	22	3	9	4	1	2	59	3	49	2	44
1080	4½	3	53	2	48	3	34	2	42	3	24	2	26
1200	5	3	30	2	31	3	21	2	23	3	4	2	12
1320	5½	3	11	2	17	2	55	2	10	2	47	2	0
1440	6	2	55	2	6	2	40	1	59	2	33	1	50