Telescope Builders, Alvan Clark & Sons

15 Points Per Correct Answer - No time limit  

1. Where was Alvan Clark born? Ashfield, Massachusetts New York, New York Flagstaff, Arizona New Hope, Pennsylvania

2. Who purchased the Clark 24 inch refractor that is housed at Flagstaff, Arizona? Otto Struve Clyde Tombaugh Asaph Hall Percival Lowell

3. What is the largest refracting telescope lens the Clark company made? 24 inch 60 inch 40 inch 36 inch

4. What did Alvan Clark's son Alvan Graham discover in 1862? The closest star to us in the northern hemisphere A planet around another star The companion star to Sirius The companion star to Mizar

5. Are there any craters on the Moon named after the Clarks? Yes No

6. Alvan Clark received an honorary Master of Arts degree from? University of Chicago Amherst College All of these Princeton

7. Did Alvan Clark ever travel to Europe? Yes No

8. Who bought the first (known) telescope the Clark's sold? William Dawes William Harvey Wells. Edward Barnard Edward Pickering

9. What was Alvan Graham Clark's (Alvan's son) last project? Working on the Mt. Palomar telscope Supervised the installation of the 40" lens at Yerkes Selling his father's portrait paintings Looking for a buyer for his business

10. What year did the Alvan Clark & Sons company go out of business? Still in business today 1958 1897 1945