The village constable was secretly sent for. Instead of waiting for the constable, Mrs Hall went to the scientist, who had somehow mysteriously appeared from his empty bedroom.

     “I want to know what you have been doing to my chair upstairs,” she demanded. “And I want to know how it is you came out of an empty room and how you entered a locked room.”
     The scientist was always quick-tempered; now he became furious.

     “You don’t understand who or what I am!” he shouted. “Very well — I’ll show you.”

     Suddenly he threw off bandages, whiskers, spectacles, and even nose. It took him only a minute to do this. The horrified people in the bar found themselves staring at a headless man!
The local policeman was summoned in secrecy. Mrs Hall went to the scientist instead of waiting for the constable. She rushed directly to Griffin, who had appeared from the inn's empty bedroom. She inquired what he had been doing to her chairs and furnishings upstairs. She also questioned how he had exited the vacant bedroom or entered the closed bedroom.
Village constable

Griffin was typically short-tempered. Previously, if she asked a question, he didn't like to answer her. When he heard her question, he grew enraged and began yelling. He yelled that they didn't know who or what he was, so he was determined to show them the truth. He took off his bandages, whiskers, spectacles, and nose. All of this took him less than a minute, and the customers in the bar were shocked as they stared at the headless man.
Meanings of the difficult words:
Constable A British police officer of the lowest rank
FuriousExtremely angry
National Council of Educational Research and Training (2007). Footprints without Feet - H.G. Wells(pp. 26-31). Published at the Publication Division by the Secretary, National Council of Educational Research and Training, Sri Aurobindo Marg, New Delhi.