
The image is an advertisement from December 1889 for the Rotary Steam Snow Shovel, featured in the "National Car and Locomotive Builder" publication, displaying an illustration of a train equipped with a large rotary snowplow clearing snow from tracks; the text highlights its ability to clear blockades efficiently without accidents, being endorsed by leading United States companies and adopted by transcontinental railroads, and notes its manufacture by the Rotary Steam Snow Shovel Mfg. Co. in Paterson, N. J.