Buch 
Tracts on vaults and bridges : containing observations on the various forms of vaults; on the taking down and rebuilding London Bridge : and on the principles of arches: illustrated by extensive tables of bridges : also containing the principles of pendent bridges, with reference to the properties of the catenary, applied to the Menai Bridge : and a theoretical investigation of the catenary / Samuel Ware
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158

9

.r

sec.of 01

y

z

= tan .of <p

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X

X

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y

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deg . min .

48,,32

.51015

.9713

1.1316

i -5101

1.905

2.218

1.165

1.3345

1.555

.74934

4835

.51165

1.1336

1.5116

1 . 33S5

.74992

4840

.51414

1.1369

1.5141

1.33 IS

.75088

48 m 45

.51665

1.1403

1.5166

1.3301

.75184

48//50

.51918

1.1436

1.5192

1.3284

.75280

48,,52

.52019

.9800

1.1450

1.5202

1.885

2.201

1.168

1.3277

1.551

.75318

48 -55

.52171

1.1470

1.5217

1.3267

.75375

49 0

.52425

1.1504

1.5242

1.3250

.75471

49 - 5

.52681

1.1537

1 . 526S

1.3233

.75566

49-11

52989

.9887

1.1578

1.5299

1.865

2.185

1.171

1.3213

1.547

.75680

49-15

.53196

1.1605

1.5320

1.3200

.75756

49//20

.53455

1.1640

1.5345

1.3184

.75851

49 ,, 25

.53715

1.1674

1.5371

1.3167

.75946

49-31

.54029

.9973

1.1715

1.5403

1.847

2.169

K174

1.3148

1.544

.76059

49-35

.54240

1.1743

1.5424

1.3134

.76135

49-40

.54504

1.1778

1.5450

1.3118

.76229

4945

54769

1.1812

1.5477

1.3102

.76323

49//49

.54982

1.0058

1.1840

1.5490

1.829

2.153

1.177

1.3089

1.541

.76398

4955

.55303

1.1882

1.5530

1.3070

.76511

50 ,/ 0

.55572

1.1917

1.5557

1.3054

.76604

50 ,, 5

.55843

1.1953

1.5584

1.3038

.76698

50 /, 8

56005

1.0142

1.1974

1.5600

1.811

2.138

1.181

1.3029

1.538

.76754

50-10

.56114

1.1988

1.5611

1.3022

.76791

50 /, 15

.56887

1.2024

1.5639

1.3007

.76884

5020

.56661

1.2059

1.5666

1.2991

.76977

50//26

.56992

1.0225

1.2102

1.5699

1.794

2.123

1.184

1.2972

1.535

.77088

50-30

.57213

1.2131

1.5721

1.2960

.77162

50-35

.57491

1.2167

1.5749

1.2944

.77255

50,,40

.57771

1.2203

1.5777

1.2929

.77347

50,,44

.57995

1.0307

1.2233

1.5799

1.777

2.109

1.187

1.2916

1.532

.77421

50,,50

.58333

1.2276

1.5833

1.2898

.77531

50-55

.58617

1.2312

1.5862

1.2883

.77623

51 - 0

.58902

1.2349

1.5890

1.2868

.77715

51 - 2

.59016

1-038

1.2364

1.5902

1.761

2.095

1.190

1.2861

1.530

.77751

51 - 5

.59188

1.2386

1.5919

1.2852

.77806

51-10

.59475

1.2423

1.5947

1.2837

.77897

51,,15

.59764

1.2460

1.5976

1.2822

.77988

51-19

.59996

1.0469

1.2490

1.6000

1.745

2.082

1.193

1.2810

1.528

.78061

51-25

.60346

1.2534

1.6034

1.2793

.78 70

51-30

.60639

1.2572

1.6064

1.2778

.78261

51-36

.60992

1.0549

1.2617

1.6099

1.729

2.069

1.196

1.2760

1.526

.78369

51»40

.61229

1.2647

1.6123

1.2748

.78442

51-45

.61526

1.2685

1.6153

1.2734

.78532

51-50

.61825

1.2723

1.6182

1.2719

.78622

51-53

.62005

1.0627

1.2746

1.6200

1.714

2.056

1.199

1.2710

1.525

.78675

51,,55

.62125

1.2761

1.6212

1.2705

.78711

52 - 0

.62427

1.2799

1.6243

1-2690

.78801

52 - 5

.62730

1.2838

1.6273

1.2676

.78890

52 - 9

.62973

1.0706

1.2869

1.6297

1.699

2.043

1.202

1.2664

1.523

.78962

52/,15

.63341

1.2915

1.6334

' 1.2647

.79069

52-20

.63648

1.2954

1.6365

1.2633

.79158

52»26

.64019

1.0782

1.3001

1.6402

1.685

2.031

1.206

1.2616

1.521

.79264

52-30

.64268

1.3032

1.6427

1.2605

.79335

52-33

.64580

1.3072

1.6458

1.2591

.79424