A flat or slightly crown faced pulley.
William Dwight Whitney The Century Dictionary and Cyclopedia: An encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1889)
1979×2400, 1005.8 KiB
844×1024, 125.7 KiB
527×640, 65.2 KiB
263×320, 25.2 KiB