Chapter XXVIII

The Fall and Rise of the Southwark Foundry and Machine Company.
Popular Appreciation of the High-speed Engine 331

LIST OF ILLUSTRATIONS

PAGE

1. My First Mechanical Drawing. Longitudinal Section of my Stone-
dressing Machine 7

2. The First Porter Governor 21

3. The Porter Marine Governor 37

4. Porter-Allen Engine. Diagram of Admission--Valve Movements 48

5. Vertical Adjustment of Sustaining Pin for Trunnions of the
Allen Link 52

6. My Improvement in Cranks and Journal Boxes 54

7. My Improvement in Eccentrics 56

8. Diagram from the First Allen Engine taken with the First
Richards Indicator 59

9. Mr. Porter’s Exhibit at the London International Exhibition,
1862 71

10. Diagram from Allen Engine in London Exhibition of 1862 73

11. Spring-testing Instrument Used in the Manufacture of the
Richards Indicator 86

12. Plan of Spring-testing Instrument 89

13. Diagrams from English Locomotives, taken with the Richards
Indicator 91

14. Engine Bed Designed by Mr. Porter 95

15. Cross-head Designed by Mr. Porter 96

16. Connecting-rod and Strap 99

17. Attaching a Steam-drum to a Lancashire Boiler 107

18. Diagrams from Engine of Evan Leigh, Son & Co. 114

19. Condenser and Air-pump Designed by Mr. Porter. (Cross-section) 118

20. Diagrams from Engine Built for Mr. Adams 138

21. Exposition Universelle, Paris, 1867. Diagrams from the “Allen”
Engine Employed in Driving Machinery 142

22. Pair of Diagrams from 18×30 Allen Engine at South Tyne Paper
Mill, 108 Revolutions, Vacuum 28 Inches. Only Half Intended
Load on Engine 160

23. Cross-section of Machine Shop Proposed by Mr. Porter in 1868,
after the Design of Smith & Coventry 168

24. Card from Allen Engine in Colt’s Armory 178

25. Sectional and Front Elevations of One of the Two Pairs of
Porter-Allen Engines in the Colt Armory, Hartford, Conn. 180

26. Sectional and Side Elevations of One of the Two Pairs of
Porter-Allen Engines in the Colt Armory, Hartford, Conn. 181

27. Porter-Allen Engines in the Colt Armory, Hartford, Conn. Front
View 181

28. Porter-Allen Engines in the Colt Armory, Hartford, Conn. Rear
View 181

29. Surface Plates Designed by Mr. Porter 182

30. Diagram from Allen Engine, Back End of Cylinder, at Fair of
American Institute, 1870 194

31. Friction Diagram from Allen Engine at Fair of American
Institute, 1870 196

32. Diagram from Allen Engine, Fair of American Institute, 1870,
Cutting Off at ¹⁄₄ Stroke 196

33. Apparatus for Graphically Showing the Acceleration and
Retardation of the Reciprocating Parts of an Engine 205

34. The Allen Boiler _Facing_ 208

35. The Prototype of the Modern High-speed Engine, Fly-wheel Side 223

36. Prototype of the Modern High-speed Engine, Crank Side 224

37. Longitudinal Section of Cylinder and Valves 225

38. Cross-section of Cylinder and Valves 226

39. Connections of Admission Valves 226

40. First Arrangement of Exhaust Valves 228

41. Main Bearing 230

42. Eccentric and Cross-head and Crank-pin Lubricators 230

43. Surface Plate for Producing a True Plane 234

44. Mr. Porter’s Regulating Valve 244

45. The Corliss Engine Exhibited at the Centennial Exhibition 249

46. Porter-Allen Engine Equal in Power to the Exhibited Corliss
Engine 250

47. Mr. Porter’s Fly-wheel 269

48. Connection of Arms and Rim in Mr. Fritz’ Fly-wheel 273

49. Mr. Allen’s Patent Pressure Plate 293

50. Diagrams from the Otis Engine 311

51. Otis Engine. Dash Pot for Governor 313

52. Diagrams from my First and Only Compound Engine 318

LIST OF FULL-PAGE HALF-TONE PORTRAITS

PAGE

1. CHARLES T. PORTER _Facing title page_ 2. MY FATHER _After dedication_ 3. MY MOTHER „ „ 4. GEORGE T. HOPE 6 5. CHARLES B. RICHARDS, A.D. 1858 26 6. JOHN F. ALLEN 48 7. JOSEPH E. HOLMES 60 8. ALEXANDER GORDON 62 9. WELLINGTON LEE 66 10. CHARLES T. PORTER, A.D. 1862 68 11. FREDERICK E. SICKELS 78 12. W. H. MAW 92 13. WILLIAM J. HOYLE 122 14. SIR JOSEPH WHITWORTH 124 15. FREDERICK J. SLADE 154 16. PROFESSOR CHARLES B. RICHARDS 178 17. PRESIDENT F. A. P. BARNARD 198 18. JOSEPH NASON 204 19. EDWIN F. WILLIAMS 206 20. PROFESSOR ROBERT H. THURSTON 208 21. J. C. HOADLEY 220 22. ALEXANDER LYMAN HOLLEY 238 23. WILLIAM R. JONES 244 24. PROFESSOR FRANCIS REULEAUX 246 25. COLONEL ALEXIS PETROFF 252 26. JAMES MOORE 254 27. EMIL BRUGSCH 256 28. ROBERT W. HUNT 262 29. STEPHEN W. BALDWIN 264 30. HARRIS TABOR 266 31. DANIEL N. JONES 272 32. JOHN FRITZ 274 33. E. D. LEAVITT 308 34. SAMUEL T. WELLMAN 310 35. CHARLES A. OTIS 312 36. DANIEL J. MORRELL 314 37. BENJAMIN F. AVERY 324 38. JAMES C. BROOKS 332

ENGINEERING REMINISCENCES