New PDF release: Advanced Telescope Making Techniques Volume 2

By G. Kenneth Hawkings, Allan Mackintosh

ISBN-10: 0943396123

ISBN-13: 9780943396125

Complex Teleescope Making options that includes chosen Articles from the Maksutov Circulars is predicated upon The Massutov Circulars that have been edited over a interval of 21 years via Allan waterproof coat and disbursed to Maksutov membership individuals. The membership used to be initially prepared to make a mass buy of customized molded Maksutov corrector blanks however it quickly grew to become obvious publication used to be had to percentage info on optics and useful glass operating to shut tolerances. eventually, approximately 2 hundred variants of the Circulars have been dispensed to participants. From this mass of fabric three hundred+ web page books have emerged which describe quite a lot of matters of curiosity to the individual that has made a telescope and desires to benefit extra approximately this attention-grabbing hobby.

The topics lined via bankruptcy are as follows:
Chapter 1. Grinding Tools
Chapter 2. Curve turbines, Generating
Chapter three. Small Lens Work
Chapter four. add-ons for Glass Working
Chapter five. Grinding and sharpening Machines
Chapter 6. Making and trying out Flats
Chapter 7. Telescope Construction
Chapter eight. Telescope Accessories
Chapter nine. Photography
Chapter 10. The Telescope Maker's Workshop.

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Small gas- or electric-powered chainsaws can be used; however, electric saws are preferred since they operate more quietly and may be slightly easier to handle. Electric circular saws can also be used, but to cut 4x4 lumber in one pass, a 1O~-in. blade is essential. The person that is picked to be the cutting firefighter should have thorough knowledge of handling saws and tools and must have experience in cutting lumber. A structure collapse site is not the place to start to learn how to properly cut building materials.

For example, balsa wood, the easily cut and lightweight wood many children play with as airplane models, comes from a hardwood tree. These names do not necessarily mean that hardwoods are hard or that softwoods are soft. Hardwoods come from broad leaf trees that lose their leaves during the winter months. The wood is generally heavy, close-grained, generally expensive, and not well suited to shoring projects. Oak and maples are two examples of the common types available. Oak. A tough, hard, coarse-textured, high-density wood that is native to temperate climates, oak is used for both structural and decorative applications, framing timbers, flooring, molding, and plywood.

All personnel should be constantly looking for any signs of changing conditions that could affect the stability of the structure. If the firefighter notices a potential danger, he should immediately contact his officer. While the rest ofthe team is doing prep work, the safety/assembly firefighter should constantly be observing the surroundings and listening to any radio transmission that could affect the building's condition. The runner firefighter. The main responsibility of the runner firefighter is to get the tools, supplies, and lumber needed to assemble the shores.

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Advanced Telescope Making Techniques Volume 2 by G. Kenneth Hawkings, Allan Mackintosh


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