Comments, etc.

Paper copies of this chronology are available in two formats:

One double-sided poster (24" x 36") folded to 9" x 12"; $5.00*

Or two single-sided posters (24" x 36" each), shipped unfolded in mailing tube (suitable for framing); $20.00*
*Plus postage and handling: US and Canada: $3.00 first item, $1.00 each additional item; Elsewhere: $7.00 first item, $3.00 each additional item.
Either may be ordered from the Chemical Heritage Foundation by phoning 215-224-6006, ext. 222 or faxing 215-925-1954, or printing out CHF's Web site HOME