The Jobs Of Yesteryear: Obsolete Occupations Published March 5, 2010 at 11:01 AM EST Facebook Twitter LinkedIn Email General Photographic Agency / Getty ImagesA milkman makes deliveries using his horse-drawn wagon circa 1935. General Photographic Agency / Getty Images / Getty ImagesA milkman makes deliveries using his horse-drawn wagon circa 1935. Fox Photos / Getty Images / Getty ImagesAfter 1900, when so-called artificial ice became generally accepted as safe, mass quantities were produced at ice plants and delivered to homes. A worker delivers a block of ice in 1936. Fox Photos / Getty Images / Getty ImagesAfter 1900, when so-called artificial ice became generally accepted as safe, mass quantities were produced at ice plants and delivered to homes. A worker delivers a block of ice in 1936. Copyright 2010 NPR