1920s montage astronomer w. w. campbell looking into a giant telescope / lick observatory, san jose, california, united states - 利克天文台 個影片檔及 b 捲影像00:22
shot of exterior of lick observatory on mount hamilton in california / tilt up telescope inside observatory // two astronomers at us naval... - 利克天文台 個影片檔及 b 捲影像00:18星球, 美國