Book

a- This is a book entitled "Audel's Engineers and Mechanics Guide 6". It was written by Frank D. Graham and published by Theo. Audel & Co. in New York in 1921. It has a soft cover made of black fabric. The front cover has debossed texts that read "AUDEL'S ENGINEERS AND MECHANICS GUIDE 6// 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. The spine has the book title on the top, a printed gold text that reads "FIRING// OIL BURNERS// STOKERS// REPAIRS" on the middle lower part, and a gold diamond-shaped symbol on the bottom. On the inside of the cover page is a stamp from the Pump House Steam Museum, and a hand-written note in pencil that reads "99205/14" on the bottom right corner. On the cover page is the book title in cream-coloured texts against a black background, it reads "AUDEL'S ENGINEERS AND MECHANICS GUIDE 6// 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 6 of the series, it covers information on boiler construction, mechanical stockers, oil burners, chimneys, mechanical drought, and how to select a boiler. b- These are the first two pages of the book. The two pages are detached from the spine. The first page is blank. On the back of the second page is a diagram of the Graham through tube vertical marine boiler.