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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150

X

%

t

t

t

z

?

— sec.

y

=tan.

= SCC.

A

z

z

z

t

of <f>~1

of p

of p

X

X

y

=cosec.of (f)

y

—sine

of

deg.mm,

13^35

.02878

.24162

1.0288

4.2579

.23486

13„40

.02914

.24082

.24316

1.0291

8.265

8.S45C

1.00969

4.2324

4.273

.23627

IS,,45

.02950

.24470

1.0295

4.2072

.23769

13//50

.02987

.24624

1.0299

4.1824

.23910

13 „55

.03024

.24778

1.0302

4.1578

.24051

14„ 0

.03061

.24681

.24933

1.0306

8.062

8.1443

f.01018

4.1336

4.176

.24192

14„ 5

.03099

.25087

1.031C

4.1096

.24333

14/40

.03137

.25242

1.0314

4.0859

.24474

14,/15

.03174

.25397

1.0317

4.0625

.24615

14,,20

.03213

.25281

.25552

J .0321

7.869

7.9530

1.01069

4.0394

4.083

.24756

14,,25

.03251

.25707

1.0325

4.0165

.24897

14„30

.03290

.25862

1.0329

3.9939

.25038

14,,35

.03329

.26017

1.0333

3.9716

.25179

14,,40

.03368

.25883

.26172

1.0337

7.684

7-7704

1.01119

3.9495

3.994

.25320

14„45

.03408

.26328

1.0341

3.9277

.25460

14,,50

.03447

.26483

1.0345

3.9061

.25601

14,,53

.03471

.26273

.26577

1.0347

7.569

7.6560

1.01155

3.8933

3.938

.25685

14,,55

.03487

.26640

1.0349

3.8848

.25741

15,, 0

.03528

.26484

.26795

1.0353

7.508

7.5958

1.01173

3.8637

3-909

•258S1

I5« 5

.03568

.26951

1.0357

3.8428

.26022

15„10

.03609

.27107

1.0361

3.8222

.26163

15,,15

.03650

.27263

1.0365

3.8018

.26303

15„20

.03691

.27087

.27419

1.0369

7.339

7.4287

1.01228

3.7816

3.828

.26443

15„25

.03732

.27576

1.0373

3.7617

.26584

15,,30

.03774

.27732

1.0377

3.7420

.26724

15„35

.03816

.27889

1.0382

3.7225

.26864

15„40

.03858

.27691

.28046

1.0386

7.177

7.2687

1.01282

3.7032

3.751

.27004

15„4 5

.03901

.28203

1.0.390

3.6840

.27144

15,,50

.03944

.28360

1.0394

3.6652

.27284

1 5,,55

.03987

.28517

1.0399

3.6465

.27424

16„ 0

.04030

.28296

.28675

1.0403

7.021

7.1154

1.01339

3.6280

3.677

.27564

16,, 5

.04073

.28832

1.0407

3.6097

.27704

16„10

.04117

.28990

1.0412

3.5915

.27843

16„15

.04161

.29147

1.0416

3.5736

.27983

16„20

.04206

.28901

.29305

1.0421

6.872

6.9682

1.01398

3.5559

3.606

.28123

16„25

.04250

.29463

1.0425

3.5383

.28262

16„30

.04295

.29621

1.043C

3.5209

.28402

16»3 5

.04340

.29780

1.043<

3.5037

.28541

16n40

.04385

.29512

.29938

1.0439

6.73C

6.8266

1.01458

3.4867

3.537

.28680

16,,4 5

.04431

.30097

1.0448

3.4699

.28820

16„50

.04477

.30255

1.0449

3.4532

.28959

16,,55

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.30414

1.0452

3.4366

.29098

17,, 0

.04569

.30116

.30573

1.0457

6.591

6.6912

1.01513

3.4203

3.472

.29237

17„ 5

.04616

.30732

1.0462

3.4041

.29376

17„10

.04663

.30891

1.0461

3.3881

.29515

17„ 15

.04710

.31051

1.0471

3.3722

.29654

17„20

.04757

.30725

.31210

1.0476

6.459

6.5606

1.01580

3.3565

3.409

.29793

17,,25

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.31370

1.0481

3.3409

.29932

17,,30

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.31530

1.0485

3.3255

.30070

17„35

.04901

.31690

1.0490

3.3102

.30209

17„40

.04950

.31334

.31850

1.0495

6.331

6.4348

1.0165

3.2951

3.349

.30348

17„45

.04998

.32010

1.0500

S.2801

.30486

17,,50

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.32171

1.050/

3.2653

.30625

17,,55 ,

.05097

.32331

1.0510!

3.2506

.30765/

 
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