Given this paragraph about the original church in Guston in 1892, what were the two ways that were used to announce the beginning of services?

English congregationalist preacher Rev. William Davis found some success evangelizing the miners and their families after establishing a church in Guston in 1892, the only one in the Red Mountain Mining District. The church had not only a bell but also a steam whistle to announce when services were commencing. Davis had earlier tried unsuccessfully to establish a church in Red Mountain Town. The day after the Guston church opened, the commercial district of Red Mountain Town was destroyed in a fire, with some local residents suggesting it was the result of "divine intervention".[9] Between 1941 and 1945, the by-then abandoned Guston church had begun to tilt heavily, eventually collapsing.

The church used both a bell and a steam whistle to announce the start of services.