A BLUE FLUID, changing to an intense Black colour.
PATENT UNCHANGEABLE BLUE FLUIDS, remaining a deep Blue colour.
A SUPERIOR BLACK INK, of the common character, but more fluid.
A SUPERIOR CARMINE RED for Contrast Writing.
A CARBONACEOUS RECORD INK, unchangeable by any Chemical Agent.
Also a new kind of MARKING INK for Linen: and Inkholders adapted for preserving Ink from Evaporation or Dust.
Bottles at 3d. each, convenient for writing from are prepared, which will enable those who may wish to try either of these articles to do so at a small expense.
Prepared by HENRY STEPHENS, the Inventor, 54, Stamford-street, Blackfriars-road, London, and sold by Stationers and Booksellers.
N.B. These unchangeable Blue Fluids are Patent articles; the Public are therefore cautioned against imitations, which are infringements: to sell or use which is illegal.
STEPHENS’ SELECT STEEL PENS.