Subject
- Polyester fibers3
- Polyester fibers--Testing3
- Polymerization2
- Polymers24
- Polymers--Viscosity1
- Portraits1
- Portraits, Group6
- Rayon1
- Scientific apparatus and instruments28
- Spinnerets (Textile machinery)1
- Spinning machinery18
- Spinning pumps (Textile machinery)8
- Steam-boilers1
- Tanks1
- Textile fibers, Synthetic14
- Textile fibers, Synthetic--Testing1
- Thermostat1
- Twisting machines (Textile machinery)1
- Viscosity--Measurement1
- Whitin Machine Works (Whitinsville, Mass.)1