This is a review of
Birmingham Pen Co.'s "Pennsylvania Railorad Boiler Steam Blue/Black" ink.
Another, earlier review of this ink:
Birmingham Pen Company is a store in Pennsylvania with its own line of budget-friendly, mysteriously complex dark shades of inks: https://www.birmingh.../pages/about-us
This particular ink is a classic "Blue-Black" that's more on the dirty grayed-navy side than teal--sure to please those who don't like their blue-blacks too green.
The ink is not without quirks, but now that I understand it, I believe it can be very well-behaved on paper, given the right tools:
Specifically, this ink has high flow, and if you use a juicy nib you might end up with a lot of ink on the page, taking a long time to dry or else quickly bleeding through cheap paper. HOWEVER, if you use a more conservative flow nib/feed or even something like a drier fine nib, the ink dries very quickly on any paper. You especially may want to use conservative amounts of this ink on cheap paper, as the inks absorbs readily and bleeds through if you put down too much. If your preferred instrument is a pen with an XF nib, you will probably be okay with cheap paper too.
That said, on nicer fountain-pen-friendly paper, this ink looks great! As long as paper absorbency is not high, you begin seeing beautiful shading, as while the hue is dark, saturation is not high. It is not the kind of shading that dramatically goes from light to dark and looks distracting. Rather it is a gentle transition, especially if you write in unbroken cursive. Particularly with broader nibs, the shading looks quite striking (with the caveat of long drying time for some spots, but that doesn't bother me).
There is no outlining to speak of nor noticeable sheen*. *The sheen is present, but only on very non-absorbent paper and only in very high concentration areas, where you might just about detect a hint of something metallic red. But just barely.
Water resistance is respectable: the color components wash off, and clear gray line remains.
Although this ink has a fairly conservative hue that's not out of place in any line of work, this ink's appearance is intriguing enough to use for personal correspondence as well.
Pale cream Fabriano Bioprima paper and Col-O-Ring cards (top left card is an abbreviation of Birmingham Pen Co. "Grandview Avenue Midnight Horizon" blue):
On "white" (rather creamy) Tomoe River and Col-O-Ring cards:
Some lower quality paper: absorbent, no shading to speak of, bleed-through is present:
Edited by Intensity, 26 March 2018 - 20:20.