[Transcriber's note: Image sizes are limited to the browserwindow size. To expand an image, right click on the image andselect "view image" or "open image in new tab". Then clickon the new image to see it full size. You could also justuse you favorite image viewer directly.
Many projects are of contemporary interest—magic, kites andboomerangs for example. Try a"Querl" for starters.
There are many projects of purely historical interest, such aschemical photography, phonographs, and devices for coalfurnaces.
Another class of projects illustrate the caviler attitude towardenvironment and health in 1913. These projects involve itemssuch asasbestos, gunpowder, acetylene, hydrogen, lead, mercury, sulfuricacid, nitric acid, cadmium, potassium sulfate, potassium cyanide,potassium ferrocyanide, copper sulfate, and hydrochloric acid.Many references to these have been highlighted in red.
Projects requiring extra skill and care that involvehigh voltage, melting metals, or other hazards, have the titlehighlighted.
Please view these as snapshots of culture and attitude, not assuggestions for contemporary activity.
Be careful and have fun, or simply read and enjoy a trip intoyesterday.]
The Boy Mechanic
Vol. 1
700 Things for Boys to Do
800 Illustrations Showing How
The Boy Mechanic
Vol. 1
Index
How to Make a Glider(See page 171)
The Boy Mechanic
Volume I
700 Things For Boys To Do
How To Construct
Wireless Outfits, Boats, Camp Equipment,
Aerial Gliders, Kites,
Self-propelled Vehicles Engines, Motors,
Electrical Apparatus, Cameras
And
Hundreds Of Other Things Which Delight Every Boy
With 800 Illustrations
Copyrighted, 1913, By H. H. Windsor
Chicago
Popular Mechanics Co.
Publishers
A Model Steam Engine
Engine Details
The accompanying sketch illustrates a two-cylinder single-acting,poppet valve steam engine of home construction.
The entire engine, excepting the flywheel, shaft, valve cams,pistons and bracing rods connecting the upper and lower plates ofthe frame proper, is of brass, the other parts named being ofcast iron and bar steel.
The cylinders, G, are of seamless brass tubing, 1-1/2 in. outsidediameter; the pistons, H, are ordinary 1-1/2 in. pipe caps turnedto a plug fit, and ground into the cylinders with oil and emery.This operation also finishes the inside of the cylinders.
The upright rods binding the top and bottom plates are of steelrod about 1/8-in. in diameter, threaded into the top plate andpassing through holes in the bottom plate with hexagonal brassnuts beneath.
The valves, C, and their seats, B, bored with a countersink bit,are plainly shown. The valves were made by threading a copperwasher, 3/8 in. in