Complete the following tasks using the pictures of Helen Blanchard's zig-zag stitch sewing machine as a reference.

Identify the parts of the machine:

1. Motor component.

2. Mechanism.

3. Receiving component.

Note which of the following types of movement occurs in a sewing machine:

1. Linear movement.

2. Alternate movement.

3. Circular movement.

Identify the mechanisms of movement transmission and transformation in the following picture:

1. Levers.  

2. Pulleys.

3. Wheel handle.

Source: https://www.inventricity.com/helen-blanchard-inventor (29/03/2022)