I1 - Inventions/Developments

Description: I1 - Inventions/Developments - New type of standard extension ladder.
Type: Visual Materials(Opens in new tab)
Date: 6/17/1915
Call number: photCL SCE 02 - 03240
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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