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| 10' Pro-Dome Wall Ring |  | Item# WR10
$1,050.00 | | Ten foot diameter wall ring (6 pieces, 12" high) matches the PD10 base ring. |

| | | Electric Dome Drive (10' Domes) |  | Item# ED10
$495.00 | | Electric Dome Drive for the 10 foot domes, utilizing two 12vDC motor assemblies. |

| | | Electric Shutter (10' Domes) |  | Item# ES10
$495.00 | | Electric Shutter Drive for the 10 foot domes, utilizing a 12vDC motors assembly with windlass shaft and stainless steel cables for opening and closing the shutter. |

| | | Power Supply (PS2) |  | Item# PS2A
$125.00 | | A 15vDC 10A Power Supply with built-in key switch and two toggle switches for the ED10 Electric Dome Drive and ES10 Electric Shutter Drive. |

| | | 10' Dome Circular Skirt |  | Item# CS10
$800.00 | | Four piece fiberglass skirt to make the transition between the circular observatory and circular buildings, or to keep water away from the foundation. |
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