@Infoseepage If you search online you can find copies for sale: it’s a normal size and thickness. I would not describe it as compact at all.
Even if the number of glyphs is significantly smaller, the space they take up is much wider than a traditional alphabet: it seems to me compactness on the page was not a characteristic that Pitman was aiming for.
Also, a Pitman’s Bible can’t make translation work easier: Pitmans is a shorthand for English, so I don’t think anyone can read it who doesn’t already read English.