Pinion and Windage Knob ID

[Greg V]

Can someone please help with the manufacturer and vintage of the pictured parts.

I would assume that the two S.A. knobs are are Springfield Armory, but am wondering what the WH is on the one. I have no idea what the unmarked one might be.

Thanks, Greg V

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[Larry G.]

Weatherhead a subcontractor for SA postwar.