Thoreau J. Thoreau & Co. Manufacturers of Black and Red Lead Pencils ...
Boston, ca. 1845.

Broadside, 20 x 15 cm., printed in black and red.
In the mid 1840s the Thoreau pencil business was flourishing as a result of an improved product, and the company began to advertise. The printers of this, Warren S. Beal and Charles C. Mead, were partners between 1843 and 1846, hence the date assigned.


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