A Russian teaching collection of 63 numbered bobbin lace samples, compiled by N. Ya. Erikhson (Ericson) for vocational and zemstvo schools and lace workshops. It arranges Russian, 'stseplye' (joined) and Valenciennes laces from easiest to most complex, with a pricking pattern and a photograph of the finished lace for each. A table gives the thread number and number of bobbin pairs for each lace. The introduction describes its use at the Konstantinovo lace workshop in Bronnitsy district, Moscow province, where pupils also made the set for the 1913 All-Russian Handicraft Exhibition in St. Petersburg.