Unidentified 19th C. Curved Oak drawer & large Compartment desk?

I've wondered if this may have been in some industrial or telegraph type office where locking a larger item in the large centre cabinet was necessary. And related paperwork or accessories were kept in the small drawers? And why the longer curved centre drawer? Drawer dovetails are rather crude. Each different. The centre cabinet brass latch is marked "Warranted" and "Secure Leverlock". Size 47" x 17"
Basically, what was it used for? And what is its age?

 

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Could very well be an office or other commercial piece. Think turn of the century and English. Common for cabinet doors to lock, so not specific to a public use. Curved drawer is just an interesting design aspect.