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The Pyramids and Temples of Gizeh by Sir Flinders Petrie - Co-ordinates


The Pyramids and Temples of Gizeh by W. M. Flinders Petrie

Chap. 5. Co-ordinates Pages 34 - 36



18 . p. 34 The station marks of the triangulation consist of holes drilled in the rock or stone, and filled with blue-tinted plaster, as already described; sec. 10. Where great accuracy was needed a graphite pencil lead was put vertically into the plaster. Thus the mark may be scraped clean, if bruised or defaced, without destroying the mark. To enable the station-mark holes of about 1/6-inch diameter to be readily found, and at the same time to draw off attention from them, two -inch holes, similarly filled, are drilled, in most cases one on each side of each station mark, at 5 inches from it, to the N.E. and S.W. I also utilized some few of Mr. Gill's bronze station marks, that had escaped the attention of the Arabs. The less important stations, of the rock trenches, are merely marked by a single -inch hole, filled with blue plaster. The general position of the station marks are shown in the plan of the triangulation on Pl. 1.

19. The co-ordinates of the station marks, &c., are reckoned from a line beyond the N. side of the whole area, and from a line beyond the E. side of the area: thus there are no minus quantities. The azimuth of true North on the system of co-ordinates is East of the approximate North of the system, or the azimuth of its Eastern boundary, by

+ 1 12' 22" 6"

and the value of the unit of co-ordinates in British inches is .

00508259 .00000003 log. .7060853 .0000017

or the number of units in the inch

196.750 .001 log. .2939147 .0000017

p 35 TABLE OF CO-ORDINATES OF MARKED STATIONS

Place.


S.W. corner of the 9th Pyramid

N. side of 2nd Pyramid Temple

N. side of 3rd Pyramid Temple

Top block of 5th Pyramid

N. side of 3rd Pyramid

Rock of hill, W. of 1st Pyramid

Tomb, No.17, Lepsius

Hillock S.E. of 3rd Pyramid

Top of large building E. of 3rd Pyramid

Pile of slabs N.E. of 1st Pyramid

Slab in ground N. of entrance of 1st Pyramid (Gill)

Tomb N.W. of N.W. corner of 1st Pyramid

Tomb W. of N.W. corner of 1st Pyramid (Gill)

N.W. socket of of 1st Pyramid (Gill)

Edge of floor of passage of 1st Pyramid

N.E. socket of of 1st Pyramid (Gill)

Staff on top of 1st Pyramid

W. side of 7th Pyramid

E. side rubbish heap of 1st Pyramid (Gill)

S.E. socket of 1st Pyramid (Gill)

S. side on masonry of 1st Pyramid

S.W. socket of 1st Pyramid

W. side rubbish heap of of 1st Pyramid (Gill)

Tomb) No.44, Lepsius of 1st Pyramid (Gill)

E. end of base line, on block of basalt

W. end of base line, on block of basalt

Masonry above, and W. of, door, 2nd Pyramid

N.W. corner of rock cutting round 2nd Pyramid

N.W. corner 2nd Pyramid

N.E. corner 2nd Pyramid

S.E. corner (on masonry) 2nd Pyramid

S.W. corner 2nd Pyramid

W. side of rock cutting round 2nd Pyramid

Wall W. of 3rd Pyramid

N. side of 4th Pyramid

N.W. corner of masonry of 3rd Pyramid

S.VV. corner of masonry of 3rd Pyramid

S.E. corner of masonry of 3rd Pyramid

N.E. corner of masonry of 3rd Pyramid

Masonry below door, 1st Pyramid

N.end of North Trench

S.end of North Trench

N. end of South Trench p 36

S. end of South Trench

W.end of E.N.E. Trench

E. end of E.N.E. Trench

S. end of Trial passages

N. end of Trial passages

Letter.


A

B

C

D

E

F

G

H

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

a

b

g

d

e

z

h

q

i

k

l

m

n

x

p

r

s

t

u

j

c

y

w

From North.


3 987 140

5 393 798

8 382 255

9 143 054

8 072 225

4 246 813

3 000 000

10 092 621

7 828 554

1 300 292

0 908 159

1 483 587

1 848 869

1 844 679

1 993 386

1 880 871

2 756 484

3 007 571

2 706 202

3 672 518

3 523 071

3 634 188

2 745 956

2 926 171

4 415 043

4 306 415

4 732 762

4 146 945

4 592 901

4 632 817

6 251 313

6 262 182

5 950 148

7 563 291

9 054 182

8 035 816

8 761 575

8 786 405

8 038 069

1 935 512

2 082 608

2 514 650?

3 051 826

3 463 988

2 678 581

2 648 862

2 549 708

2 350 481

From East.


0 935 234

3 411 980

5 839 239

6 836 560

6 840 249

8 132 966

6 000 000

5 571 047

1 491 863

1 425 399

2 242 158

3 431 388

4 136 068

3 173 572

2 221 893

1 381 354

2 298 662

0 915 729

1 477 899

1 417 048

2 369 777

3 206 895

3 073 389

3 863 947

1 704 140

3 255 538

4 900 971

5 968 245

5 758 968

4 092 173

4 157 284

5 785 021

6 000 994

8 109 839

7 586 701

7 200 134

7 230 130

6 488 386

6 485 183

2 249 041

1 180 207

1 175 360?

1 184 632

1 180 826

0 881 168

0 568 721

0 721 984

0 718 038

RESULTING CO-ORDINATES OF POINTS OF ANCIENT CONSTRUCTION.

Existing casing edge on N. side of 1st pyramid

Existing casing edge on E. side of 1st pyramid

Existing casing edge on S. side of 1st pyramid

Existing casing edge on W. side of 1st pyramid

N.E corner of casing of side of 1st pyramid

S.E corner of casing of side of 1st pyramid

S.W corner of casing of side of 1st pyramid

N.W corner of casing of side of 1st pyramid

Center of casing side of 1st pyramid

N.E. corner of casing of 2nd pyramid

S.E. corner of casing of 2nd pyramid

S.W. corner of casing of 2nd pyramid

N.W. corner of casing of 2nd pyramid

Center of casing side of 2nd pyramid

N.E. corner of casing of 3rd pyramid

S.E. corner of casing of 3rd pyramid

S.W. corner of casing of 3rd pyramid

N.W. corner of casing of 3rd pyramid

Center of casing side of 3rd pyramid

1 866 612

2 671 090

3 646 300

2 664 836

1 884 598

3 668 168

3 632 521

1 848 772

2 758 515

4 630 771

6 297 958

6 265 598

4 598 359

5 448 171

7 998 215

8 814 325

8 793 987

7 976 980

8 395 877

2 281 355

1 401 430

2 515 643

3 185 923

1 385 776

1 421 276

3 205 195

3 169 668

2 295 478

4 089 656

4 121 664

5 789 181

5 756 193

4 939 173

6 437 758

6 457 924

7 275 727

7 255 560?

6 856 742




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