Alpco Pencils
of 173-5, Lower Clapton-road, London, E5 (1925).
1925 General agent for the products of the American Lead Pencil Co. They sampled three thin-lead coloured pencils named "Unique" and the colours available were red, blue and yellow. Tested pencils of hexagon form outside. [1]
See Also
Sources of Information
- ↑ The Engineer 1925/05/15