Gun Maxim, ·303 Inch - Side elevation
1. End of crank. 2. Projecting arm of crank handle. 3. Crank handle. 4. Breech casing. 5. Fusee spring 6. Chain 7. Fusee. 8. Spring box 9. Resistance piece. 10. Buffer spring. 11. Check lever. 12. Lock casing. 13. Firing lever. 14. Trigger bar. 15. Projection on trigger bar. 16. Trigger. 17. Tumbler. 18. Lockspring. 19. Firing pin. 20. Crank. 21. Crank pin. 22. Connecting rod. 22A Cotter. 23. Side levers. 24. Sear. 25. Extractor. 26. Barrel. 27. Ejector tube. 28. Horns of extractor. 29. Keeper bracket. 30. Side cams. 31. Cover spring. 32. Cover. 33. Gib. 34. Adjusting screw for fusee spring. 35. Extractor spring. 36. Handles. 37. Double button. 38. Trigger bar spring. 39. Gib spring. 41. Extractor levers. 42. Belt. 43. Upper extractor stop. 44. Groove for side plate spring. 45. Cartridge grooves. 46. Ejector tube spring. 47. Side plates. 48. Guides in which flanges of lock move. 49. Guide ribs for extractor. 50. Cover lock. 51. Gunmetal block. 52. Hole for firing pin. 53. Safety catch. 54. Screwed head. 55. Connecting rod spring. 56. Crank bearings. 57. Slots, breech casing. 58. Crank stops. 59. Ammunition belt box, No. 2. 60. Feed block. 61. Top lever feed block. 62. Cork plug. 63. Feed block slide. 64. Top pawl. 65. Bottom pawl. 66. Band roller. 67. Barrel casing. 68. Screwed plug for filling. 69. Asbestos packing. 70. Packing gland. 71. Cannelure for asbestos packing. 72. Gunmetal valve. 73. Steam tube. 74. } Holes in steam tube. 75. } 76. Slide valve. 77. Steam escape hole. 78. Milled heads of oil brushes. 79. Oil brush. 80. Sight, tangent. 81. Sight, fore. 82. Shutter. 83. Shutter spring. 84. Shutter catch. 85. Notch for shutter catch. 86. Screwed plug for emptying. 87. Slides, right and left. 88. Gib spring cover. 89. Check lever collar. 90. Cover lock spring. 91. Safety catch spring. 92. Tangent sight spring. 93. Bottom lever feed block. 94. Trunnions of barrel. 95. Extractor stop. 96. Firing lever spring. 97. Shutter pivot screw.
Gun Maxim, ·303 Inch - plan, with cover removed
1. End of crank. 2. Projecting arm of crank handle. 3. Crank handle. 4. Breech casing. 5. Fusee spring 6. Chain 7. Fusee. 8. Spring box 9. Resistance piece. 10. Buffer spring. 11. Check lever. 12. Lock casing. 13. Firing lever. 14. Trigger bar. 15. Projection on trigger bar. 16. Trigger. 17. Tumbler. 18. Lockspring. 19. Firing pin. 20. Crank. 21. Crank pin. 22. Connecting rod. 22A Cotter. 23. Side levers. 24. Sear. 25. Extractor. 26. Barrel. 27. Ejector tube. 28. Horns of extractor. 29. Keeper bracket. 30. Side cams. 31. Cover spring. 32. Cover. 33. Gib. 34. Adjusting screw for fusee spring. 35. Extractor spring. 36. Handles. 37. Double button. 38. Trigger bar spring. 39. Gib spring. 41. Extractor levers. 42. Belt. 43. Upper extractor stop. 44. Groove for side plate spring. 45. Cartridge grooves. 46. Ejector tube spring. 47. Side plates. 48. Guides in which flanges of lock move. 49. Guide ribs for extractor. 50. Cover lock. 51. Gunmetal block. 52. Hole for firing pin. 53. Safety catch. 54. Screwed head. 55. Connecting rod spring. 56. Crank bearings. 57. Slots, breech casing. 58. Crank stops. 59. Ammunition belt box, No. 2. 60. Feed block. 61. Top lever feed block. 62. Cork plug. 63. Feed block slide. 64. Top pawl. 65. Bottom pawl. 66. Band roller. 67. Barrel casing. 68. Screwed plug for filling. 69. Asbestos packing. 70. Packing gland. 71. Cannelure for asbestos packing. 72. Gunmetal valve. 73. Steam tube. 74. } Holes in steam tube. 75. } 76. Slide valve. 77. Steam escape hole. 78. Milled heads of oil brushes. 79. Oil brush. 80. Sight, tangent. 81. Sight, fore. 82. Shutter. 83. Shutter spring. 84. Shutter catch. 85. Notch for shutter catch. 86. Screwed plug for emptying. 87. Slides, right and left. 88. Gib spring cover. 89. Check lever collar. 90. Cover lock spring. 91. Safety catch spring. 92. Tangent sight spring. 93. Bottom lever feed block. 94. Trunnions of barrel. 95. Extractor stop. 96. Firing lever spring. 97. Shutter pivot screw.
Mounting Tripod ·303 Inch, Maxim Gun Mark
A Crosshead B Elevating gear C Socket D Arm, crosshead F Screw, clamp checking traverse G Tumbler, elevating gear H Bolt, jamming elevating gear J Front legs K Rear leg M Shoes N Socket lugs S Stud, joints, a jamming handle, front legs T Joint pin, a jamming handle rear leg V Handwheel elevating gear