| FIG. | PAGE |
| 1. Oil Lamp | [6] |
| 2. Inverted Incandescent Lamp | [8] |
| 3. Methylated Spirit Burner | [9] |
| 4. Luna Lamp | [10] |
| 5. The Moss Generator | [12] |
| 6. The A.L. or 'Popular' Model | [14] |
| 7. Acetylene Jet | [15] |
| 8. Oxygen Cylinder in hemp cover | [17] |
| 9. Double Lever Key | [18] |
| 10. Fine Adjustment Valve | [19] |
| 11. Construction of Beard's Regulator | [20] |
| 12. Beard's Regulator | [21] |
| 13. Regulator and Gauge | [22] |
| 14. Gas-bags | [24] |
| 15. 'Blow-through' Nozzles | [25] |
| 16. 'Blow-through' Jet | [25] |
| 17. Mixed Jet | [27] |
| 18. Mixed Jet, Gwyer pattern | [27] |
| 19. Mixing Chamber of Jet | [28] |
| 20. 'Injector' Jet | [30] |
| 21. 'Gridiron' Saturator | [32] |
| 22. 'Pendant' Saturator | [33] |
| 23. Fallot Air Blast | [37] |
| 24. Fallot Air Blast, and Cylinder | [37] |
| 25. Lime-tongs | [39] |
| 26. Universal Hand-fed Arc Lamp | [45] |
| 27. | [46] |
| 28. Resistance | [49] |
| 29. 'Scissors' Arc Lamp | [51] |
| 30. 'Right-angled' Arc Lamp | [52] |
| 31. 'Westminster' Arc Lamp | [53] |
| 32. Arc Lamp with Induction Ring | [56] |
| 33. The Optical System of a Lantern facing p. | [57] |
| 33A. Optical System of Lantern | [57] |
| 34. Optical System without Condenser | [59] |
| 35. Action of Condenser | [59] |
| 36. Forms of Condensers | [60] |
| 37. Double Sliding Carrier | [62] |
| 38. Beard's Dissolving Carrier | [63] |
| 39. Focussing Action of Lens | [64] |
| 40. Achromatic Lens | [65] |
| 41. Petzval Combination | [66] |
| 42. Hughes' Short-Range Lantern | [71] |
| 43. Long-Range Lantern | [72] |
| 44. Connections for a Bi-unial Lantern | [73] |
| 45. Beard's Circulating Water Tank | [75] |
| 46. Quadruple Lantern Stand | [78] |
| 47. Reading Lamp | [79] |
| 48. Roller Screen | [80] |
| 49. Portable Screen Stand | [81] |
| 50. Adjustment of the Light | [84] |