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    • Worker turning a bull mast

    • Worker turning a bull mast

    • Bull wheels; Employees; Quarries and quarrying; Matthews Brothers Stone Company

    • Prior to steam, most quarries relied on manually powered devices, similar to the one pictured here. When attached to derricks, these wheels, commonly referred to as "bull masts," rotate 360 degrees, thus allowing workers to raise stone slabs from...
    • Indiana Bedrock
    • Worker standing next to a bull wheel.

    • Worker standing next to a bull wheel.

    • Employees; Bull wheels; Quarries and quarrying; Matthews Brothers Stone Company

    • Worker stands next to a "bull mast". Though it was widely utilized from its inception around 1890 until 1910, it was quickly replaced by platforms powered by electricity.
    • Indiana Bedrock

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