map measurer Map measure of the month: a Fritz Chatelain measure This map measure from Fritz Chatelain of Neuchâtel, Switzerland, was sold by Lawrence & Mayo in the early 20th century. The accurate and high quality instrument was later called the 'Universal Map Measure'. Map measure of the month: a Fritz Chatelain measure
map measurer Map measurer of the month- The Self-Registering Rotameter This interesting little map measure has a stained and warped […] Map measurer of the month- The Self-Registering Rotameter