Assertion: barometer's design | /r/CapableOf | evolve to drum-type altimeters
Facets:
value: with thousand foot increments
type: OTHER
value: further
type: MANNER
Source sentences:
text: The design evolved further to drum-type altimeters, the final step in analogue instrumentation, where each revolution of a single needle accounted for 1,000 feet (300 metres), with thousand foot increments recorded on a numerical odometer-type drum.