Pl. 7 including a dabber, lithographic pen, and fine tipped brush in Charles Hullmandel, The Art of Drawing on Stone (London: C. Hullmandel and R. Ackermann, 1824).

 

Pens with tips often made from the thinned metal of watch springs split with scissors or fine-tipped brushes  applied the ink known as tusche (lithographic ink sticks mixed with water) for lettering or linear designs without tones, such as plans and maps.

 

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