25:
42:
157:'s instrument being placed in a room next to that housing James Bradley's instrument) superseded it fifty years later in 1851, the Ordnance Survey simply continued to use Bradley's.
89:
61:
194:
68:
145:. When the first Ordnance Survey map was published in 1801, the official Prime Meridian of Great Britain was the one established by the third
75:
57:
108:
46:
82:
204:
199:
189:
35:
173:
Charles
Jennings; "Greenwich: The Place Where Days Begin and End", Little, Brown; 1999; p. 181
146:
130:
126:
183:
150:
138:
154:
24:
142:
134:
18:
153:. When Airy's new Prime Meridian ("new" by virtue of Sir
49:. Unsourced material may be challenged and removed.
137:datum). It is about six metres to the west of the
16:Prime meridian used by the OSGB36 reference system
58:"United Kingdom Ordnance Survey Zero Meridian"
8:
123:United Kingdom Ordnance Survey Zero Meridian
109:Learn how and when to remove this message
166:
7:
47:adding citations to reliable sources
14:
23:
195:Geography of the United Kingdom
34:needs additional citations for
1:
221:
43:improve this article
119:
118:
111:
93:
212:
174:
171:
147:Astronomer Royal
114:
107:
103:
100:
94:
92:
51:
27:
19:
220:
219:
215:
214:
213:
211:
210:
209:
205:Ordnance Survey
200:Prime meridians
190:Named meridians
180:
179:
178:
177:
172:
168:
163:
131:Ordnance Survey
115:
104:
98:
95:
52:
50:
40:
28:
17:
12:
11:
5:
218:
216:
208:
207:
202:
197:
192:
182:
181:
176:
175:
165:
164:
162:
159:
127:prime meridian
117:
116:
31:
29:
22:
15:
13:
10:
9:
6:
4:
3:
2:
217:
206:
203:
201:
198:
196:
193:
191:
188:
187:
185:
170:
167:
160:
158:
156:
152:
151:James Bradley
148:
144:
140:
139:Airy meridian
136:
132:
128:
124:
113:
110:
102:
91:
88:
84:
81:
77:
74:
70:
67:
63:
60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
169:
129:used by the
122:
120:
105:
96:
86:
79:
72:
65:
53:
41:Please help
36:verification
33:
155:George Airy
184:Categories
161:References
141:marked at
69:newspapers
143:Greenwich
99:June 2021
125:is the
83:scholar
135:OSGB36
85:
78:
71:
64:
56:
90:JSTOR
76:books
121:The
62:news
45:by
186::
149:,
133:(
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
