Thundermug and cannon shot

The thundermug is bronze, from the 19th century, Spanish in design. Originally used by armaments to test black powder and now typically for fireworks. The canister shot is a langrage, it was recovered in pieces from the sand of an island in Alaska in the late 50s by my father who was stationed there in the Coast Guard. In the 18th century these were used to destroy riggings of ships: when fired from a cannon the bars break open. Natives on the island told also of a cannon buried under the porch of a small building nearby; said to originate from the Cutter Lincoln The balls are grapeshot, also recovered from the same beach

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