Internet Archive Book Images:
Image from page 55 of "Arte da pintura, symmetria, e perspectiva" (1767)
Internet Archive Book Images:
Image from page 509 of "The Earth beneath the sea : History" (1963)
Internet Archive Book Images:
Image from page 90 of "Chemical development Section [and] Mechanical Research and Development Section; summary of achievements, 1917-1918" (1918)
Internet Archive Book Images:
Image from page 192 of "Costume: fanciful, historical, and theatrical" (1906)