A few nice Index kings, images I found:
Explorer, a gasoline powered boat, being launched at Tregoning Boat Works, Ballard, n.d.
Image by IMLS DCC
Description: Launching of the Explorer [Puget Sound Maritime Historical Society Note]. On boat in image: Explorer. Sign in image: Frank Tregoning / Boat Builder. Boat information supplied by Puget Sound Maritime Historical Society.
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