The pattern does not give yarn or bead quantities, needle size or gauge.

“2 skeins of black purse silk; 2 skeins of scarlet ditto; black jet beads; a steel clasp with chain; a tassel of black beads; 5 steel knitting-needles.”

You need about 1272 beads to go on the red silk and 96 beads to go on the black silk.

This pattern also available at: http://beetonsbookofneedlework.com/page_309.htm#image_317

The entire book is also available as PDF-format on http://www.antiquepatternlibrary.org/html/warm/catalog.htm#AUTH_B.