Ordnance field service bulletin. 6-E-17. Lubrication instructions for gun, 8-in., M1888 (SNL E-6), carriage, barbette, 8-in., M1918 (railway), and gun, 8-in., mark VI, M3A2 (SNL E-6), carriage, barbette, 8-in., M1; Sept. 28, 1942.

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