The Arithmetic for Plumbers Standardized Course of Training for Apprentice 1926/1927 is a study guide published in 1926 & 1927 by The Apprenticeship Service Department of the National Trade Extension Bureau. This book focuses on arithmetic skills specifically tailored for plumbers, providing general suggestions and solutions for problems related to plumbing and mathematics. Written in English, this textbook serves as a valuable resource for apprentices looking to enhance their skills in arithmetic and plumbing.