Assertion: scale | /r/HasProperty | sec
Facets:
value: on a parallel
type: LOCATION
Source sentences:
text: On a parallel other than the equator the scale is sec ⁡ φ {\displaystyle \sec \varphi } so when we transfer a separation from a parallel to the bar scale we must divide the bar scale distance by this factor to obtain the distance between the points when measured along the parallel (which is not the true distance along a great circle).