Assertion: bobbin | /r/HasProperty | a part of the sewing machine
Facets:
value: in the old treadle machine days
type: TEMPORAL
value: always
type: DEGREE
Source sentences:
text: They have always been a part of the sewing machine, even in the old treadle machine days.
text: A bobbin is the part of a sewing machine on which the lower thread is wound.
text: The bobbin is a part of every sewing machine, the small spool of bottom thread that gets looped with the top thread held by the needle to make a complete stitch.
text: A bobbin is the part of the sewing machine that holds the lower thread.