It's possible that the thread has gotten caught up in the bobbin for some reason - usually because there is a problem with the tension of the presser foot.
A tailor may use a sewing machine for a few reasons. It saves time, as a sewing machine sews much more quickly than hand sewing. Also, a sewing machine makes interlocking stitches, making the stitch tighter and more durable. Lastly, a sewing machine offers more options for sewing - stitch length, width, zig-zags, etc. - that either can't be done by hand, or would be very difficult to do.
Running stitch
a stitch selector is apart of a sewing machine.
no but you can smd
Many sewing machines have the cross stitch programmed into them, which you can vary to a degree
a stitch selector is apart of a sewing machine.
This model of Singer sewing machine does not offer a cross stitch function.
A stitch regulator controls the length and width of the stitches.
In a sewing machine it adjusts the length of the stitches
No, it does not.
Singer Sewing Co 7442 30 Stitch Sewing Machine would be a great sewing machine to use to make baby dresses.
Every sewing machine is different so you will want to set it at the longest length stitch that your machine provides.