The vernier thrusters are located in flight-type equipment.

4. Fragmenta Quædam Chemica. 5. De Arte Chemiæ. 6. Breviorium Alchymiæ. 7. Documenta Alchymiæ. 8. De Alchymistarum Artibus. 9. De Lapide et Oleo Philosophorum. 10. Modus accipiendi Aurum Potabile. 11. Compendium Alchymiæ et Naturalis.