An Account of the Bell Rock Light-House / Including the Details of the Erection and Peculiar Structure of That Edifice; to Which Is Prefixed a Historical View of the Institution and Progress of the Northern Light-Houses

by Robert Stevenson

No. VI.

Materials.

SCHEDULE, containing an Enumeration of the MATERIALS used in the Erection of the Bell Rock Light-House.

Course.	Granite in Pieces.	Sandstone in Pieces.	Granite in cubic feet.	Sandstone in cubic feet.	Tons of Sandstone and Granite.	Sandstone Joggles.	Oak Trenails.	Oak Wedges in pairs.	Pozzolano in Barrels.	Lime in Barrels.	Sand in Barrels.
1	4	14	6	146	10.891				1.5	2.2	1.1
2	52	71	508	876	101.648	13	246	378	13.6	19.9	10.7
3	52	84	808	1269	152.797	13	246	437	16.9	24.8	13.3
4	52	71	696	1009	125.609	13	246	400	14.5	21.2	11.4
5	53	54	593	849	106.258	13	212	336	12.5	18.3	9.8
6	26	71	492	790	94.275	13	194	270	11.8	17.2	9.2
7	26	58	238	767	73.094	13	168	242	8.3	12.3	6.6
8	26	45	196	547	54.148	13	142	268	7.4	11.0	5.8
9	26	45	264	426	50.737	13	142	229	6.3	9.3	5.0
10	26	45	292	606	65.748	13	142	229	7.6	11.0	5.9
11	26	45	339	363	52.006	13	142	229	6.3	9.3	5.0
12	16	37	160	462	45.308	8	108	184	5.7	8.4	4.5
13	16	37	194	347	39.709	8	108	184	5.0	7.4	3.9
14	16	37	168	329	36.423	8	108	184	4.8	7.0	3.7
15	16	37	188	301	35.962	8	108	184	4.6	6.8	3.6
16	16	37	153	321	34.698	8	108	184	4.7	6.9	3.7
17	16	37	182	308	36.000	8	103	184	4.7	6.9	3.7
18	16	37	153	297	32.983	8	108	184	4.4	6.4	3.4
19	16	37	180	304	35.560	8	108	184	4.5	6.6	3.5
20	16	29	196	308	37.077	8	108	152	4.3	6.3	3.4
21	16	29	211	264	35.088	8	92	152	4.2	6.1	3.2
22	16	29	100	311	29.906	8	92	152	3.9	5.7	3.0
23	16	29	177	238	30.615	8	92	152	3.9	5.7	3.0
24	16	29	147	303	32.951	8	92	152	3.9	5.6	3.0
25	16	29	149	235	28.248	8	92	152	3.5	5.2	2.8
26	6	39	142	250	28.780	8	92	152	3.5	5.2	2.8
27		38		315	22.500	8	79	67	3.0	4.4	2.4
28		33		259	18.500	8	66	58	2.8	4.1	2.2
29		26		236	16.857	8	54	61	2.9	4.2	2.2
30		26		249	17.786	8	52	54	2.4	3.4	1.8
31		25		238	17.000	8	50	68	2.2	3.3	1.8
32		26		274	19.571	8	52	69	2.3	3.3	1.8
33		28		302	21.571	8	56	78	2.6	3.8	2.0
34		30		296	21.143	8	60	80	2.7	4.0	2.1
35		32		271	19.357	8	64	80	3.0	4.5	2.4
36		32		266	19.000	8	64	80	2.5	3.7	2.0
37		32		279	19.929	8	64	80	2.3	3.5	1.8
38		24		275	19.643				1.5	2.2	2.0
39		16		138	9.857				1.2	1.8	1.6
40		16		136	9.714				1.2	1.7	1.5
41		14		133	9.500				1.1	1.6	1.4
42		14		142	10.143				1.1	1.6	1.4
Over,	599	1524	6932	16035	1678.590	338	4065	6329	207.1	303.8	165.4

Key:
A Course.
B Granite in Pieces.
C Sandstone in Pieces.
D Granite in cubic feet.
E Sandstone in cubic feet.
F Tons of Sandstone and Granite.
G Sandstone Joggles.
H Oak Trenails.
I Oak Wedges in pairs.
J Pozzolano in Barrels.
K Lime in Barrels.
L Sand in Barrels.

A	B	C	D	E	F	G	H	I	J	K	L
1	4	14	6	146	10.891				1.5	2.2	1.1
2	52	71	508	876	101.648	13	246	378	13.6	19.9	10.7
3	52	84	808	1269	152.797	13	246	437	16.9	24.8	13.3
4	52	71	696	1009	125.609	13	246	400	14.5	21.2	11.4
5	53	54	593	849	106.258	13	212	336	12.5	18.3	9.8
6	26	71	492	790	94.275	13	194	270	11.8	17.2	9.2
7	26	58	238	767	73.094	13	168	242	8.3	12.3	6.6
8	26	45	196	547	54.148	13	142	268	7.4	11.0	5.8
9	26	45	264	426	50.737	13	142	229	6.3	9.3	5.0
10	26	45	292	606	65.748	13	142	229	7.6	11.0	5.9
11	26	45	339	363	52.006	13	142	229	6.3	9.3	5.0
12	16	37	160	462	45.308	8	108	184	5.7	8.4	4.5
13	16	37	194	347	39.709	8	108	184	5.0	7.4	3.9
14	16	37	168	329	36.423	8	108	184	4.8	7.0	3.7
15	16	37	188	301	35.962	8	108	184	4.6	6.8	3.6
16	16	37	153	321	34.698	8	108	184	4.7	6.9	3.7
17	16	37	182	308	36.000	8	103	184	4.7	6.9	3.7
18	16	37	153	297	32.983	8	108	184	4.4	6.4	3.4
19	16	37	180	304	35.560	8	108	184	4.5	6.6	3.5
20	16	29	196	308	37.077	8	108	152	4.3	6.3	3.4
21	16	29	211	264	35.088	8	92	152	4.2	6.1	3.2
22	16	29	100	311	29.906	8	92	152	3.9	5.7	3.0
23	16	29	177	238	30.615	8	92	152	3.9	5.7	3.0
24	16	29	147	303	32.951	8	92	152	3.9	5.6	3.0
25	16	29	149	235	28.248	8	92	152	3.5	5.2	2.8
26	6	39	142	250	28.780	8	92	152	3.5	5.2	2.8
27		38		315	22.500	8	79	67	3.0	4.4	2.4
28		33		259	18.500	8	66	58	2.8	4.1	2.2
29		26		236	16.857	8	54	61	2.9	4.2	2.2
30		26		249	17.786	8	52	54	2.4	3.4	1.8
31		25		238	17.000	8	50	68	2.2	3.3	1.8
32		26		274	19.571	8	52	69	2.3	3.3	1.8
33		28		302	21.571	8	56	78	2.6	3.8	2.0
34		30		296	21.143	8	60	80	2.7	4.0	2.1
35		32		271	19.357	8	64	80	3.0	4.5	2.4
36		32		266	19.000	8	64	80	2.5	3.7	2.0
37		32		279	19.929	8	64	80	2.3	3.5	1.8
38		24		275	19.643				1.5	2.2	2.0
39		16		138	9.857				1.2	1.8	1.6
40		16		136	9.714				1.2	1.7	1.5
41		14		133	9.500				1.1	1.6	1.4
42		14		142	10.143				1.1	1.6	1.4
Over,	599	1524	6932	16035	1678.590	338	4065	6329	207.1	303.8	165.4

Course.	Granite in Pieces.	Sandstone in Pieces.	Granite in cubic feet.	Sandstone in cubic feet.	Tons of Sandstone and Granite.	Sandstone Joggles.	Oak Trenails.	Oak Wedges in pairs.	Pozzolano in Barrels.	Lime in Barrels.	Sand in Barrels.
Over,	599	1524	6932	16035	1678.590	338	4065	6329	207.1	303.8	165.4
43		16		140	10.000				1.1	1.6	1.4
44		16		139	9.929				1.2	1.8	1.6
45		16		135	9.643				1.1	1.7	1.4
46		16		132	9.429				1.1	1.6	1.4
47		18		261	18.643	16		64	2.0	3.0	1.5
48		16		118	8.429				1.0	1.5	0.8
49		16		115	8.214				1.0	1.5	0.8
50		14		114	8.143				1.0	1.5	0.8
51		14		123	8.786				0.9	1.4	0.7
52		16		122	8.714				0.9	1.4	0.7
53		16		115	8.214				1.0	1.5	0.8
54		16		113	8.072				1.0	1.5	0.8
55		16		102	7.286				0.9	1.4	0.7
56		18		258	18.428	16		64	2.0	3.1	1.5
57		16		97	6.929				0.9	1.4	0.7
58		16		104	7.429				0.9	1.4	0.7
59		14		96	6.857				0.9	1.4	0.7
60		14		102	7.286				0.7	1.1	0.5
61		16		100	7.143				0.8	1.2	0.6
62		16		97	6.929				0.8	1.3	0.6
63		16		90	6.429				0.7	1.1	0.5
64		16		86	6.143				2.0	3.1	1.5
65		18		228	16.288	16		64	0.6	0.9	0.4
66		16		83	5.929				0.7	1.0	0.5
67		16		82	5.859				0.6	0.9	0.4
68		16		88	6.286				0.4	0.7	0.3
69		12		76	5.429				0.6	0.9	0.4
70		16		74	5.286				0.6	0.9	0.4
71		16		95	6.786				1.0	1.5	0.8
72		16		77	5.500				2.0	3.1	1.5
73		16		75	5.357				2.5	3.7	2.0
74		18		225	16.071	16		64	2.0	3.1	1.5
75		16		73	5.216				0.6	0.8	0.4
76		16		73	5.216				0.7	1.1	0.5
77		16		82	5.859				0.6	0.7	0.4
78		12		62	4.429				0.5	0.7	0.4
79		12		62	4.429				0.6	0.9	0.4
80		12		75	5.357				0.6	0.9	0.4
81		16		70	5.000				1.0	1.5	0.8
82		16		181	12.929				1.0	1.5	0.8
83		16		190	13.571	16			2.0	3.1	1.5
84		16		257	18.357	16			2.0	3.1	1.5
85		16		298	21.286	16			2.5	3.7	2.0
86		8		62	4.429				0.4	0.7	0.3
87		8		60	4.286				0.4	0.6	0.3
88		8		56	4.000				0.3	0.6	0.2
89		8		52	3.716				0.3	0.5	0.2
90		8		48	3.429				0.2	0.5	0.1
Total 90	599	2236	6932	21598	2075.945	450	4065	6585	255.0	377.9	204.5

Key:
A Course.
B Granite in Pieces.
C Sandstone in Pieces.
D Granite in cubic feet.
E Sandstone in cubic feet.
F Tons of Sandstone and Granite.
G Sandstone Joggles.
H Oak Trenails.
I Oak Wedges in pairs.
J Pozzolano in Barrels.
K Lime in Barrels.
L Sand in Barrels.

A	B	C	D	E	F	G	H	I	J	K	L
Over,	599	1524	6932	16035	1678.590	338	4065	6329	207.1	303.8	165.4
43		16		140	10.000				1.1	1.6	1.4
44		16		139	9.929				1.2	1.8	1.6
45		16		135	9.643				1.1	1.7	1.4
46		16		132	9.429				1.1	1.6	1.4
47		18		261	18.643	16		64	2.0	3.0	1.5
48		16		118	8.429				1.0	1.5	0.8
49		16		115	8.214				1.0	1.5	0.8
50		14		114	8.143				1.0	1.5	0.8
51		14		123	8.786				0.9	1.4	0.7
52		16		122	8.714				0.9	1.4	0.7
53		16		115	8.214				1.0	1.5	0.8
54		16		113	8.072				1.0	1.5	0.8
55		16		102	7.286				0.9	1.4	0.7
56		18		258	18.428	16		64	2.0	3.1	1.5
57		16		97	6.929				0.9	1.4	0.7
58		16		104	7.429				0.9	1.4	0.7
59		14		96	6.857				0.9	1.4	0.7
60		14		102	7.286				0.7	1.1	0.5
61		16		100	7.143				0.8	1.2	0.6
62		16		97	6.929				0.8	1.3	0.6
63		16		90	6.429				0.7	1.1	0.5
64		16		86	6.143				2.0	3.1	1.5
65		18		228	16.288	16		64	0.6	0.9	0.4
66		16		83	5.929				0.7	1.0	0.5
67		16		82	5.859				0.6	0.9	0.4
68		16		88	6.286				0.4	0.7	0.3
69		12		76	5.429				0.6	0.9	0.4
70		16		74	5.286				0.6	0.9	0.4
71		16		95	6.786				1.0	1.5	0.8
72		16		77	5.500				2.0	3.1	1.5
73		16		75	5.357				2.5	3.7	2.0
74		18		225	16.071	16		64	2.0	3.1	1.5
75		16		73	5.216				0.6	0.8	0.4
76		16		73	5.216				0.7	1.1	0.5
77		16		82	5.859				0.6	0.7	0.4
78		12		62	4.429				0.5	0.7	0.4
79		12		62	4.429				0.6	0.9	0.4
80		12		75	5.357				0.6	0.9	0.4
81		16		70	5.000				1.0	1.5	0.8
82		16		181	12.929				1.0	1.5	0.8
83		16		190	13.571	16			2.0	3.1	1.5
84		16		257	18.357	16			2.0	3.1	1.5
85		16		298	21.286	16			2.5	3.7	2.0
86		8		62	4.429				0.4	0.7	0.3
87		8		60	4.286				0.4	0.6	0.3
88		8		56	4.000				0.3	0.6	0.2
89		8		52	3.716				0.3	0.5	0.2
90		8		48	3.429				0.2	0.5	0.1
Total 90	599	2236	6932	21598	2075.945	450	4065	6585	255.0	377.9	204.5

Masonry,	2075.945
Lantern, and its Apparatus,	7.500
Total in Tons,	2083.445

In this Table, 13 cubic feet are allowed to a ton of Granite, and 14 cubic feet to a ton of Sandstone.

Workmanship.

SCHEDULE, shewing the Extent and Description of WORK executed on the Sandstone and Granite employed in the Erection of the Bell Rock Light-house.

Course.	Granite Beds and Joints in superficial feet.	Sandstone Beds and Joints in sup. feet.	Granite face-work in superficial feet.	Sandstone face-work.	Sandstone polish-work.	Granite boring in lineal feet.	Sandstone boring in lineal feet.	Granite wedge grooves in lin. feet.	Sandstone wedge grooves in lin. feet.	Granite Lewis holes.	Sandstone Lewis holes.
1		500									18
2	1165	3354	132			156	264	208	170	52	71
3	2472	3141	275			208	325	260	421	52	84
4	1832	2980	265			208	325	300	300	52	71
5	1735	2406	220			208	251	300	204	52	54
6	1120	2788	196			104	316	156	349	26	71
7	679	2100	159			69	267	138	185	26	58
8	613	1858	110			78	184	104	164	26	45
9	750	1359	113			82	166	113	125	26	45
10	626	1887	111			87	173	112	145	26	45
11	898	1216	114			91	181	130	156	26	45
12	519	1394	90			51	125	69	120	16	37
13	522	1157	87			51	125	69	120	16	37
14	443	1148	86			51	125	69	120	16	37
15	539	997	84			51	125	69	120	16	37
16	448	1123	82			51	125	69	120	16	37
17	484	1093	80			51	125	69	120	16	37
18	430	1036	79			51	125	69	120	16	37
19	467	1023	84			56	134	74	129	16	37
20	484	952	89			56	110	80	114	16	29
21	513	872	87			56	110	80	114	16	29
22	319	981	82			53	113	76	118	16	29
23	464	829	78			53	113	76	118	16	29
24	361	926	88			59	107	83	111	16	29
25	388	802	77			56	110	80	114	16	29
26	370	818	76			56	110	80	114	6	39
27		1017		70	36		130		78		38
28		943		62	31		99		58		33
29		956		61	31		81		61		26
30		785		61	30		78		54		26
31		754		60	30		75		68		25
32		762		70	35		87		80		26
33		868		73	47		98		97		28
34		908		68	23		100		93		30
35		1022		68	23		106		93		32
36		854		64	21		106		86		32
37		782		71	25		112		100		32
38		502		70	111		24
39		421		56	37		16
40		417		56	37		16
41		391		55	37		14
42		372		60	44		14
Over,	18641	50494	2944	1025	598	2093	5306	2933	4859	594	1528

Key:
A Course.
B Granite Beds and Joints in superficial feet.
C Sandstone Beds and Joints in sup. feet.
D Granite face-work in superficial feet.
E Sandstone face-work.
F Sandstone polish-work.
G Granite boring in lineal feet.
H Sandstone boring in lineal feet.
I Granite wedge grooves in lin. feet.
J Sandstone wedge grooves in lin. feet.
K Granite Lewis holes.
L Sandstone Lewis holes.

A	B	C	D	E	F	G	H	I	J	K	L
1		500									18
2	1165	3354	132			156	264	208	170	52	71
3	2472	3141	275			208	325	260	421	52	84
4	1832	2980	265			208	325	300	300	52	71
5	1735	2406	220			208	251	300	204	52	54
6	1120	2788	196			104	316	156	349	26	71
7	679	2100	159			69	267	138	185	26	58
8	613	1858	110			78	184	104	164	26	45
9	750	1359	113			82	166	113	125	26	45
10	626	1887	111			87	173	112	145	26	45
11	898	1216	114			91	181	130	156	26	45
12	519	1394	90			51	125	69	120	16	37
13	522	1157	87			51	125	69	120	16	37
14	443	1148	86			51	125	69	120	16	37
15	539	997	84			51	125	69	120	16	37
16	448	1123	82			51	125	69	120	16	37
17	484	1093	80			51	125	69	120	16	37
18	430	1036	79			51	125	69	120	16	37
19	467	1023	84			56	134	74	129	16	37
20	484	952	89			56	110	80	114	16	29
21	513	872	87			56	110	80	114	16	29
22	319	981	82			53	113	76	118	16	29
23	464	829	78			53	113	76	118	16	29
24	361	926	88			59	107	83	111	16	29
25	388	802	77			56	110	80	114	16	29
26	370	818	76			56	110	80	114	6	39
27		1017		70	36		130		78		38
28		943		62	31		99		58		33
29		956		61	31		81		61		26
30		785		61	30		78		54		26
31		754		60	30		75		68		25
32		762		70	35		87		80		26
33		868		73	47		98		97		28
34		908		68	23		100		93		30
35		1022		68	23		106		93		32
36		854		64	21		106		86		32
37		782		71	25		112		100		32
38		502		70	111		24
39		421		56	37		16
40		417		56	37		16
41		391		55	37		14
42		372		60	44		14
Over,	18641	50494	2944	1025	598	2093	5306	2933	4859	594	1528

Course.	Granite Beds and Joints in superficial feet.	Sandstone Beds and Joints in sup. feet.	Granite face-work in superficial feet.	Sandstone face-work.	Sandstone polish-work.	Granite boring in lineal feet.	Sandstone boring in lineal feet.	Granite wedge grooves in lin. feet.	Sandstone wedge grooves in lin. feet.	Granite Lewis holes.	Sandstone Lewis holes.
Over,	18641	50494	2944	1025	598	2093	5306	2933	4859	594	1528
43		383		60	44						16
44		409		59	40						16
45		395		59	40						16
46		388		58	40						16
47		685		67	231				80		18
48		361		54	38						16
49		352		54	38						16
50		335		54	52						14
51		322		64	44						14
52		315		64	44						16
53		335		58	49						16
54		339		58	41						16
55		318		54	38						16
56		672		65	231				80		18
57		320		51	38						16
58		318		51	38						16
59		301		51	48						14
60		250		60	41						14
61		273		60	41						16
62		298		55	49						16
63		294		51	41						16
64		294		51	41						16
65		645		55	231				80		18
66		277		49	38						16
67		274		49	38						16
68		250		53	57						16
69		192		43	61						12
70		198		43	61						16
71		282		57	44						16
72		259		49	38						16
73		254		49	38						16
74		645		51	247				80		18
75		209		45	45						16
76		247		53	41						16
77		226		57	52						16
78		165		54	61						12
79		221		54	61						12
80		225		52	49						12
81		368			49	38					16
82		679			115						16
83		846			160						16
84		671			148						16
85		165			399						16
86		157			92						8
87		147			91						8
88		138			90						8
89		129			89						8
90		120			88						8
Total 90	18641	66440	2944	3145	4377	2093	5306	2933	5179	594	2240

Key:
A Course.
B Granite Beds and Joints in superficial feet.
C Sandstone Beds and Joints in sup. feet.
D Granite face-work in superficial feet.
E Sandstone face-work.
F Sandstone polish-work.
G Granite boring in lineal feet.
H Sandstone boring in lineal feet.
I Granite wedge grooves in lin. feet.
J Sandstone wedge grooves in lin. feet.
K Granite Lewis holes.
L Sandstone Lewis holes.

A	B	C	D	E	F	G	H	I	J	K	L
Over,	18641	50494	2944	1025	598	2093	5306	2933	4859	594	1528
43		383		60	44						16
44		409		59	40						16
45		395		59	40						16
46		388		58	40						16
47		685		67	231				80		18
48		361		54	38						16
49		352		54	38						16
50		335		54	52						14
51		322		64	44						14
52		315		64	44						16
53		335		58	49						16
54		339		58	41						16
55		318		54	38						16
56		672		65	231				80		18
57		320		51	38						16
58		318		51	38						16
59		301		51	48						14
60		250		60	41						14
61		273		60	41						16
62		298		55	49						16
63		294		51	41						16
64		294		51	41						16
65		645		55	231				80		18
66		277		49	38						16
67		274		49	38						16
68		250		53	57						16
69		192		43	61						12
70		198		43	61						16
71		282		57	44						16
72		259		49	38						16
73		254		49	38						16
74		645		51	247				80		18
75		209		45	45						16
76		247		53	41						16
77		226		57	52						16
78		165		54	61						12
79		221		54	61						12
80		225		52	49						12
81		368			49	38					16
82		679			115						16
83		846			160						16
84		671			148						16
85		165			399						16
86		157			92						8
87		147			91						8
88		138			90						8
89		129			89						8
90		120			88						8
Total 90	18641	66440	2944	3145	4377	2093	5306	2933	5179	594	2240