Northwest History. Alaska, Glaciers. United States.

• Format: Text
• Language: English
• Published: 1931
• Subjects: tonal bombs; steamer Whistle; Alaska Glacier; Seattle; Taku glacier; J. D. Gilmour; tourists; icebergs; Northwest; Pacific > History > 20th century; Alaska; Gilmour; Pacific; Taku; glacier; glaciers
• Online Access: http://content.libraries.wsu.edu/cdm/ref/collection/clipping/id/92198

"Tonal Bombs" Split Ice: Steamer Whistle Blasts Wreck Alaska Glacier. "TONAL BOMBS" SPLIT ICE Steamer Whistle Blasts Wreck Alaska Glacier. SEATTLE, April 19. (/P)—Experimentation with "tonal bombs," for use by vessels to loosen and tumble into the sea great masses of Ic...