Historically, distances were measured using a variety of means, such as with chains having links of a known length, for instance a Gunter's chain, or measuring tapes made of steel or invar.
These included chains having links of a known length such as a Gunter's chain, or measuring tapes made of steel or invar. Historically, distances were measured using a variety of means.
Historically, distances were measured using a variety of means. These included chains having links of a known length such as a Gunter's chain, or measuring tapes made of steel or invar.
Historically, distances were measured using a variety of means. These included chains having links of a known length such as a Gunter's chain, or measuring tapes made of steel or invar.