CUSTOM ADAPTATION PURPOSE: To enable an individual to connect a portable gas heater in different rooms. The bayonet fitting for the portable heater required that the knob be pushed and turned simultaneously. A new, larger knob was fabricated with a scalloped edge rather than a knurled edge. TITLE: Retirement Projects. JOURNAL: TAD Journal. REF: Volume 27, Number 2, August 2007: p. 14-15. PAGES: 3 (including cover).