![]() Electricity started to replace kerosene around the turn of the century. Kerosene started replacing lard oil in the 1870’s and the service was finally totally converted by the late 1880’s. Colza oil (pressed from wild cabbages) replaced whale oil in the early 1850’s, but our farmers’ lack of interest in growing this caused the service to switch to lard oil in the mid 1850’s. Although the Fresnel lens was invented in 1822, it wasn’t used in this country until the 1850’s. Whale oil was used with solid wicks as the source of light until a parabolic reflector system was introduced around 1810. ![]() Other fog signals have been whistles, sirens, reed trumpets, bells, diaphone (BEEEEooooh) horns and diaphragm (brrrrrrrrr) horns.
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