| CD1 |
| 1. First Prologue | not rated | 1:01 |
| 2. The Dial Is Only Visible By Starlight | not rated | 1:16 |
| 3. Every Day At Noon The Sun Shines Through These Apertures For The Space Of About A Minute | not rated | 0:38 |
| 4. The Image Of The Sun Indicates The Sun's Position As It Passes Through A Hole In The Concurve Surface | not rated | 1:15 |
| 5. There Is A Brass Pointer Fitted With Sights And Pivoted To The Centre Of The Circle By Which Altitude Observations Are M | not rated | 0:49 |
| 6. This Chamber Is No Longer Accessible To Visitors | not rated | 1:00 |
| 7. Access To Any Part Of The Engine Is By Steps Which Offer Vantage Points For Various Readings | not rated | 0:49 |
| 8. Suspended In The Hum Of History | not rated | 1:10 |
| 9. Originally Cross Wires Stretched Across Each Hemisphere, East To West And North To South | not rated | 1:17 |
| 10. The Ramped Stair To The North Of The Two Drums Vanishes At Thirty-two Feet | not rated | 1:03 |
| 11. These Steps Enable The Observer To See All Aspects Of The Brass Calibration Below | not rated | 0:39 |
| 12. There Is A Huge Calibrated Sundial On Each Of Its Sides | not rated | 0:59 |
| 13. This Chamber Is Filled With Garden Tools And Broken Furniture | not rated | 1:00 |
| 14. The Mosaic Of Starlight Slips Back Like The Lid Of An Opening Eye | not rated | 0:59 |
| 15. This Engine Is Primarily A Calculator, Though Altitudes May Be Observed Using The Sighting Bar Fitted To The Back | not rated | 0:59 |
| 16. It Is Inscribed With Concentric Circles, At The Centre Of Which Lies A Pointer | not rated | 1:01 |
| 17. The Calibrated Parts Are Raised On Three-foot Pillars | not rated | 1:00 |
| 18. The Pink Masonry Charges The Twilight With A Faint Sound | not rated | 0:59 |
| 19. Another Slope With Stairs For The Reading Of Figures | not rated | 1:00 |
| 20. This Engine Is Now Only Visible In Twilight | not rated | 1:00 |
| 21. Here Is An Immense Brass Circle Suspended Vertically From Stone Supports | not rated | 0:48 |
| 22. Two Hemispheres Representing The Sphere Of Heaven Comprise The Two Halves Of This Engine | not rated | 1:10 |
| 23. This Wall Describes Accurately The North/South Meridian | not rated | 0:59 |
| 24. There Are Pillars At The Centre Of Each Circular Wall Each Open To The Sky | not rated | 0:49 |
| 25. First Memory | not rated | 1:09 |
| 26. The Sky Has Shaped This Place | not rated | 1:00 |
| 27. Here I Find A Central Iron Pole With Hooks Facing To The North, South, East And West | not rated | 0:59 |
| 28. A Shadow Is Cast To The West Before Noon | not rated | 0:58 |
| 29. The Shadow Can Fall In The Vacant Sector Of A Drum | not rated | 1:01 |
| 30. Days And Nights Are Measured Here And In The Measuring Seem Longer, Suspended Somehow | not rated | 1:00 |
| 31. The Whole Brass Circle Can Be Revolved Around Its Vertical Diameter So That Altitude Observations Can Be Taken Of Any Ob | not rated | 0:59 |
| 32. A Lofty But Narrow Chamber Is Contrived In The Thickness Of The Walls And Access Is Gained From A Door Opening From The | not rated | 0:36 |
| 33. A Further Series Of Steps Is Only Visible During The Vernal Equinox | not rated | 0:23 |
| 34. Hold The Machine In The Vertical Plane | not rated | 1:00 |
| 35. Visible Portions Of The Celestial Sphere Are Represented By This Map Which Has A Movable Elliptic Which Pivots At The Po | not rated | 1:01 |
| 36. To Move Through These Structures Is To Set Them In Motion | not rated | 0:58 |
| 37. The Altitude Of The Body Observed Is Given While Observing The Vertically Hanging Bar Through The Two Brass Rings | not rated | 0:59 |
| 38. A Shadow Is Cast To The East After Noon | not rated | 0:59 |
| 39. These Calibrations Are No Longer Clearly Visible | not rated | 0:59 |
| 40. Another Flight Of Observation Steps And The Sense Of Quiet Rotation As I Ascend | not rated | 1:00 |
| 41. I Study The Vaults Of A Shell In Which We Float | not rated | 0:59 |
| 42. Twenty-seven Degrees Thirty-seven Seconds | not rated | 1:00 |
| 43. The Roofs Of The Enclosed Drums Are Implied By Shadows | not rated | 0:59 |
| 44. The Floor And Walls Are Calibrated To Read Altitude And Azimuth | not rated | 0:59 |
| 45. These Are The Cool Engines Of Celestial Map-making | not rated | 1:00 |
| 46. Here Is The Supreme Engine | not rated | 0:59 |
| 47. The Sun Seen Through The Pair Of Brass Rings Is Used By The Bar To Indicate The Time From Sunrise Until Sunset | not rated | 1:00 |
| 48. A Pointer Indicates On Three Arms; West, North And East | not rated | 0:59 |
| 49. Here Was The Supreme Engine | not rated | 0:58 |
| 50. The Engine Of Amplitude Has A Function Which Is No Longer Known | not rated | 1:00 |
| 51. This Engine Is A Rectangular Brass Plate | not rated | 0:59 |
| 50:01 |
| CD2 |
| 1. Second Prologue | not rated | 1:00 |
| 2. One Complete Engine Is Formed By Two Differently Incomplete Parts Which Combined Provide Total Reference | not rated | 1:00 |
| 3. At One Moment In The Year The Sun Shines Through A Hole In The Wall On To A Calibrated Arc | not rated | 1:00 |
| 4. The Stone Dish Is Slotted With Figures And Shadow | not rated | 1:00 |
| 5. The Positions And Altitudes Of Heavenly Bodies May Be Gauged With This Engine | not rated | 0:59 |
| 6. Some Steps Ascend Past Markings To A Platform | not rated | 1:00 |
| 7. The Central Pillars Are Five Feet Three Inches In Diameter | not rated | 0:58 |
| 8. On Tile East Face Are Inscribed Two Quadrants Of Twenty-feet Radius | not rated | 1:00 |
| 9. The Plants Will Steal This Engine When We Have Gone | not rated | 1:00 |
| 10. The Shadow Is Cast North/South At Noon By An Iron Pin | not rated | 0:59 |
| 11. A Shadow Is Cast To The East After Noon | not rated | 1:00 |
| 12. These Steps Are Worn To A Ramp And Lead Nowhere | not rated | 0:59 |
| 13. All The Lead Calibrations Are Warm To The Touch | not rated | 1:00 |
| 14. It Is Only Necessary To Engrave A Scale Of The Tangents Along The Rim To Obtain A Direct Reading Of The Declination | not rated | 0:17 |
| 15. Second Memory | not rated | 0:43 |
| 16. The Lead Calibrations Are Poisonous To The Touch | not rated | 0:59 |
| 17. This Is The North Pointer Engine | not rated | 1:00 |
| 18. The Rim Of Each Hemisphere Is A Horizon Divided Into Degrees And Minutes | not rated | 0:59 |
| 19. Here Is A Room To Divide The Sun Like An Orange | not rated | 1:00 |
| 20. Sighting Bars Were Placed In The Slots Within The Chamber, But None Remain Now | not rated | 0:59 |
| 21. The Sound Of Insects Here Studs The Night Like A Thousand Fizzing Stars | not rated | 0:57 |
| 22. Access By Observers To Each Engine Is Gained By An Imperfection Which Differs From One To Another | not rated | 1:02 |
| 23. These Structures Are Made In Receipt Of Starlight | not rated | 0:54 |
| 24. Seven Of The Eight Rings Indicate Signs | not rated | 0:31 |
| 25. Third Memory | not rated | 0:35 |
| 26. Fourth Memory | not rated | 1:07 |
| 27. I Have Observed And Measured For Seven Years | not rated | 0:51 |
| 28. The Heavens Were Spherical | not rated | 0:37 |
| 29. Fifth Memory | not rated | 0:23 |
| 30. There Are Four Of These Arcs, Two In Each Chamber | not rated | 0:58 |
| 31. These Are Instruments Fuelled By Shadow, And Engines Propelled By The Sliding Of The Skies | not rated | 1:11 |
| 32. The Stars Are Ranged Across The Inner Shell Of A Vast Hollow Sphere In Which Hung The Earth | not rated | 0:48 |
| 33. All The Gardens Will Concur=Here Is The Mixed Engine | not rated | 0:59 |
| 34. I Will Build Other Gardens, Other Engines | not rated | 0:58 |
| 35. And The Light Falls On The Circular Arcs | not rated | 1:03 |
| 36. Beneath This Circle Is An Arc Of Masonry Steps For The Convenience Of Observers | not rated | 1:00 |
| 37. Threads Can Be Pegged To The Centre Of Each Quadrant And Semicircle To Enable Observation | not rated | 0:57 |
| 38. Here Is A Huge Vertical Right Angled-triangle Made Of Stone | not rated | 1:02 |
| 39. These Arcs Are Also Accessible By Numerous Flights Of Stairs | not rated | 0:59 |
| 40. We Are Closer To The Sun Now | not rated | 0:59 |
| 41. On The West Face Is Described A Semicircle Of Nineteen-feet, Ten-inch Radius | not rated | 1:00 |
| 42. Into This Chamber No Ray Of Light Can Find Its Way Except Through Two Small Squares High In The South Wall | not rated | 1:00 |
| 43. The Movement Of The Engines Produces A Scent | not rated | 0:58 |
| 44. Sixth Memory | not rated | 0:56 |
| 45. Pointing Towards The Pole An Iron Pin Is Fixed At Right Angles To The Centre Of A Dial | not rated | 0:59 |
| 46. Some Of The Calibrations Are Now Submerged Beneath The Ground And Cannot Be Read | not rated | 1:01 |
| 47. This Room Is A Lidless Drum | not rated | 1:02 |
| 48. Seventh Memory | not rated | 0:57 |
| 49. Near The Bottom Of The Wall Facing The South Side Of The Eastern Hemisphere There Is A Hole | not rated | 1:59 |
| 50. There Are Arcs Made Of Marble Which Are Calibrated With Inlaid Lead In Degrees And Minutes | not rated | 2:01 |
| 51. I Have Seen Charts Sent From Portugal But They Are Flawed And Full Of Error | not rated | 1:01 |
| 50:01 |
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