A professional who tends machine that weights silk or rayon cloth with tinning solution. Respnsibilities include:

• Places cloth into bowl of machine and distributes cloth evenly along sides of bowl.
• Wraps burlap around cloth to prevent silk from separating.
• Turns valve to admit compressed air into storage tank to agitate tinning solution.
• Starts pump to transfer specified amount of solution to bowl of machine.
• Determines specific gravity of solution, using hydrometer, and pours water or concentrated tinning solution from pail into bowl of machine to bring solution to required specific gravity.
• Starts machine that slowly rotates bowl to saturate cloth with solution.
• Opens valve to drain solution from bowl of machine into storage tank and turns rheostat control to increase speed of rotating bowl to extract excess solution from cloth.
• Removes cloth from machine.