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  • All fields: masts
(4 results)



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    • 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...
    • Speedometer 1928 - Newsletter of the Louisville Cement Company, Speed, Indiana

    • Louisville Cement Company (Speed, Ind.); The Speedometer (Louisville Cement Company employee newsletter); The Speed Way (Louisville Cement Company employee newsletter); The Warning Star (Louisville Cement Company employee newsletter); Louisville...
    • The Speedometer was a monthly or sometimes bi-weekly newsletter of the Louisville Cement Company in Speed, Indiana. The newsletter was focused on safety issues at the plant but also included human interest stories. The Speedometer began publication...

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