The Lead In Your Pencil: A History of Pencil Hardnesses (Paperback) (ISBN-13: 9781508498254)

Nobody has ever purchased a pencil, they just get them from work. From humble beginnings in the 16th century pencil manufacture has now reached several billion a year. Most pencils are yellow and you no longer go mad if you chew their yellow paint. This little volume looks at the lead in your pencil.

Author: Keith Pepperell
ISBN-10: 1508498253
ISBN-13: 9781508498254
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 02/20/2015
Pages: 38
Format: Paperback
Weight: 0.14lbs
Size: 9.00h x 6.00w x 0.08d