Book

a- This is a brown soft cover book. It is entitled "The Arc Indicator" and has a preface written by Thos. Hawley Boston on January 3, 1890. The front cover, back cover and spine of the book all have a plain brown surface that is made of fabric. On the first page inside the front cover, there is a black stamp from the Pump House Steam Museum, and a hand-written pencil note that reads "99205/02". There is no cover page. This book aims to teach the new technologies of the arc indicator to engineers. It combines texts with illustrations and diagrams. b- This is page 31-32 of the book. It is detached from the spine and is titled "Reading The Diagram". c- This is page 33-34 of the book. It is detached from the spine. It has information on the boiler pressure. d- This is page 63-64 of the book. It is detached from the spine and has information on the compound engines. e- This is page 65-66 of the book. It is detached from the spine. It has several calculations and information on the pressure from vacuum. f- This is a 2-page paper from the book. It is detached from the spine and is numbered from page 79 to 82. It has four diagrams of the indicator to explain the balancing loads.