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- Lincoln Highway Motometer, circa 1925 - Automobiles often came without temperature gauges before the early 1930s, so enterprising manufacturers sold aftermarket motometers. Mounted on a car's radiator, these devices measured and displayed coolant water vapor temperature, notifying drivers if their automobiles were in danger of overheating. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.

- circa 1925
- Collections - Artifact
Lincoln Highway Motometer, circa 1925
Automobiles often came without temperature gauges before the early 1930s, so enterprising manufacturers sold aftermarket motometers. Mounted on a car's radiator, these devices measured and displayed coolant water vapor temperature, notifying drivers if their automobiles were in danger of overheating. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.
- Poster, "Proclamation of the Route of the Lincoln Highway," 1913 - This poster details the planned route of the Lincoln Highway, the first improved transcontinental road. The road was planned by a private group of auto industry magnates, politicians and other big-thinkers, not by the federal government, as interstate highways are today. The poster asked for the assistance of states, counties and individuals along the road as well as monetary donations.

- 1913
- Collections - Artifact
Poster, "Proclamation of the Route of the Lincoln Highway," 1913
This poster details the planned route of the Lincoln Highway, the first improved transcontinental road. The road was planned by a private group of auto industry magnates, politicians and other big-thinkers, not by the federal government, as interstate highways are today. The poster asked for the assistance of states, counties and individuals along the road as well as monetary donations.
- "The Complete Official Road Guide of The Lincoln Highway," 1924 - Since 1915 the Lincoln Highway Association published road guides to help travelers along the famed cross-country highway. These official road guides contained maps, advertisements, and interesting data about the cities and towns the motorist would pass through. The guide also provided useful information about local garages and other travel accommodations, road conditions, and helpful travel hints.

- 1924
- Collections - Artifact
"The Complete Official Road Guide of The Lincoln Highway," 1924
Since 1915 the Lincoln Highway Association published road guides to help travelers along the famed cross-country highway. These official road guides contained maps, advertisements, and interesting data about the cities and towns the motorist would pass through. The guide also provided useful information about local garages and other travel accommodations, road conditions, and helpful travel hints.
- Lincoln Highway Marker, 1915-1925 - This enameled steel marker identified the Lincoln Highway, America's first cross-country named highway. Dedicated in 1913, it ran for over three thousand miles from New York City to San Francisco, California, passing through twelve states. By 1925, the federal government began numbering the patchwork of named highways, and the Lincoln Highway passed into memory.

- 1915-1925
- Collections - Artifact
Lincoln Highway Marker, 1915-1925
This enameled steel marker identified the Lincoln Highway, America's first cross-country named highway. Dedicated in 1913, it ran for over three thousand miles from New York City to San Francisco, California, passing through twelve states. By 1925, the federal government began numbering the patchwork of named highways, and the Lincoln Highway passed into memory.