The IAM Lodge 284 collection is organized into eleven series: Minutes, Committees, Grievances, Print Material, Business Agent Administrative Files, District 115, Grand Lodge, Affiliations, Agreements, War Labor Board, Artifacts.

The International Association of Machinists (IAM) Lodge #284 was originally founded around the turn of the 20th century. The early Lodge #284 has been characterized as militant due to its history of acting without sanction from the Grand Lodge. In his dissertation The San Francisco Machinists from Depression to Cold War, 1930-1950(1988), Richard Prime Boyden states that the Oakland Lodge was founded by members of San Francisco Lodge #68 (Boyden, pp.186-187). Joint by-laws for the two Lodges are included in the 1908 journal in the collection for Lodge #68. Throughout the years, Lodge #284 and Lodge #68 worked together; and in 1936, when Lodge #284 faced suspension from the International Association of Machinists, Lodge #68 led supporters.

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