Part a- Length: 17.0cm x Width: 12.5cm x Height: 2.0cm
Part b- Length: 16.4cm x Width: 12.3 cm x Height: 2.0cm
This is a book entitled "Audel's Engineers and Mechanics Guide 1". It was written by Frank D. Graham and published by Theo. Audel & Co. in New York in 1921. a- This is the soft cover and the first page of the book. The book cover is made of black fabric. The front cover has debossed texts that read "AUDEL'S ENGINEERS AND MECHANICS GUIDE 1// QUESTIONS ANSWERS AND ILLUSTRATIONS// LOOK WITHIN". There is an debossed symbol of the horizon and the sun on the central bottom of the front cover. The back cover has a plain black surface with several white stains. The spine has the book title on the top, a text that reads "ENGINE PRINCIPALS// VALVE SETTINGS// PUMPS" on the middle lower part, and a gold diamond-shaped symbol on the bottom. On the first page inside the front cover, there is a stamp of the Pump House Steam Museum and a hand-written pencil note that reads "99205/08". This part also has a diagram of a plain slide valve cylinder and an advertisement for a book titled "Hawkins' Engineers' Calculations" that cost 2 dollars. b- This is the main body of the book. It is separated from the book cover. On the cover page is the book title in cream-coloured texts against a black background, it reads "AUDEL'S ENGINEERS AND MECHANICS GUIDE 1// A PROGRESSIVE ILLUSTRATED SERIES WITH QUESTIONS ANSWERS CALCULATIONS". This book aims to teach modern engineering practices to all engineers, mechanics, electricians, and students who work in the engineering profession. As Guide 1 of the series, it covers practical information of all steam engines, valve settings and pumps.
This book would be used by engineers, electricians or their apprentices. It was written to teach about modern engineering practices. This book was written in 1921 and printed in New York by Theo. Audel & Co. This company came out with many more guides.