TitleMap mileage reader and compass
DescriptionHand held map disting measuring device. Compass on the reverse side. Integral mechanical pencil in shaft.
From donor Gordon Bell's website: "SELSI, 1 Map mileage reader and compass, Analog Calcula, 2-3 part, Linear measure, Mechanical, ca 1930, Germany, 11x3.5x.5 cm, The handle also serves as a pencil. Buy, (81)."