Those are sure nice looking speakers. Omnidirectional speakers enjoyed a brief heyday in the late seventies. This appears to be Fishers offering of an omnidirectional speaker system. Fisher also used the term WideSurround to describe their receivers during the quadraphonic era.
From the 1973 Stereo Directory & Buying Guide:
WS-80 Omnidirectional System
3-way floor-standing system with 8" woofer, 5 3/4" mid-range, and wide-dispersion 3" tweeter. Response 35-20,000 Hz; 400 & 1500 Hz crossovers. Has tweeter level control, 8 ohms impedance. 30 W dynamic maximum input power. 18 3/4" H X 18" W X 11" D. Oiled walnut ..... $99.95