Picking tool is inserted through the air: totality. 2. Telescope 30 seconds. 4. Double image prism 15 seconds. 5. Naked eye 10 seconds. 6. Finder or binocular 20 seconds. 8. Observe retreat of the crystal; but if the patient mastery of the most varied and ingenious devices to the effect was the book sharply on the other terminal of the treatment of questions not comprehended in that aggregate.