sentences:  P. R. Mallory and Co Inc
  
  P. R. Mallory and Co Inc was a US producer of dry cell batteries (Mercury; alkaline Duracell), electronic components including electrolytic capacitors, and audible warning devices ("Sonalert"), it also was the parent firm of Mallory Batteries Ltd., an Irish producer of Ever Ready batteries.British Ever Ready had a sizable stake in it by World War II and had a close relationship with Mallory by the late 1960s.