Ideal Home Life - online book

A valuable and well-organized system for home education(homeschooling) 3 to 12 years.

Home Main Menu Order Support About Search

Share page  

Previous Contents Next

adjusting at this vital part of the engine makes all the differ­ence between a successful and an unsuccessful engine. This can be adjusted by lengthening or shortening the stroke of your piston valve or length of the rod itself. Your valve should be in position as shown at K, at about the middle of the outward stroke.
>^*f               fc?V               %&*
Electrical Apparatus
Here is shown a simple way in which to generate electric­ity. Obtain a pint fruit jar and fill it three-quarters full of
a solution made from a pint of water and four ounces of salammoniac. Get two electric light carbons, remove the cop­per coating, file a groove around one end of each and connect with copper wire. Next buy a zinc pencil at any electrical supply house for five cents. Fasten them to­gether with two pieces of wood, which are clamped together and bored to receive the car­bons and pencil. Sepa­rate and plane down a little on the two edges that are to meet so that there will be a small space between them when you put in your carbons and zinc pen­
Figure 37
cils, which will allow
Previous Contents Next