The "Iron-Clad" Double-Riveted Range Boilers, Galvanized.

"As good as the Best, and as Cheap as the Cheapest."

As we manufacture all the parts, do our own galvanizing, and all other work pertaining to them at our own Works, we are able to compete with any article of the kind now in the market.

Every Boiler guaranteed to stand double the pressure ever required in the use for which they are intended.

Send for Price-list.

Iron Clad M'Fg Co 22 Cliff Street. New York.

Now Ready! Price, $3.00. Postage Paid.

Steam-Heating Problems;

Or, Questions, Answers, and Descriptions Relating To Steam-Heating and Steam-fitting, From The Sanitary Engineer With One Hundred and Nine Illustrations.

Preface

The Sanitary Engineer, while devoted to Engineering. Architecture, Construction, and Sanitation, has always made a special feature of its departments of Steam and Hot-water Heating, in which a great variety of questions have been answered and descriptions of the work in various buildings have been given. The favor with which a recent publication from this office, entitled "Plumbing and House-drainage Problems," has been received suggested the publication of " Steam-heating Problems," which, though dealing with another branch of industry, is similar in character. It consists of a selection from the pages of the The Sanitary Engineer of questions and answers, besides comments on various problems met with in the designing and construction of steam-heating apparatus, and descriptions of steam-heating work in notable buildings.

It is hoped that this book will prove useful to those who design, construct, and have the charge of steam-heating apparatus.

Contents:

Boilers

On blowing off and filling boilers.

Where a test-gauge should be applied to a boiler.

Domes on boilers: whether they are necessary or not.

Expansion of water in boilers.

Cast vs. wrought iron for nozzles and magazines of house-heating boilers.

Pipe-connections to boilers.

Passing boiler-pipes through walls; how to prevent breakage by settlement.

Suffocation of workmen in boilers.

Heating-boilers. (A problem.)

A detachable boiler-lug.

Isolating-valve for steam-main of boilers.

On the effect of oil in boilers.

Iron rivets and steel boiler-plates.

Proportions for rivets for boiler-plates.

Is there any danger in using water continuously in boilers?

Accident with connected boilers.

A supposed case of charring wood by steam-pipes.

Domestic boilers warmed by steam.

Value Of Heating-Surfaces

Computing the amount of radiator-surface for warming buildings by hot water.

Calculating the radiating-surface for heating buildings - the saving of double-glazed windows.

Amount of heating-surface required in hot-water apparatus boilers and in steam-apparatus boilers.

Calculating the amount of radiating-surface for a given room.

How much heating-surface will a steam-pipe of given size supply?

Coils vs. radiators and size of boiler to heat a given building.

Calculating the amount of heating-surface.

Computing the cost of steam for warming.