Slates and slate pencils
J. Harvey Bloom · Notes and Queries · 1920
Slates and slate pencils Get access J. Harvey Bloom J. Harvey Bloom Search for other works by this author on: Oxford Academic Google Scholar Notes and Queries, Volume s12-VI, Issue 105, 17 April 1920, Pages 136–137, https://doi.org/10.1093/nq/s12-VI.105.136b Published: 17 April 1920