 | Thomas Baker - 1852 - 260 str.
...describe the form of a tooth for a wheel of 29 teeth, of 3 inches pitch. Describe from a centre A, an arc of the given pitch circle, and upon it set...the arc within the pitch circle apply the slant edge Tc of the instrument to the radial line AD, placing its extremity D on the pitch circle, as in the... | |
 | Thomas Baker (C.E.) - 1852 - 268 str.
...describe the form of a tooth for a wheel of 29 teeth, of 3 inches pitch. Describe from a centre A, an arc of the given pitch circle, and upon it set...the pitch, and bisected in m. Draw radial lines DA, E A. For the arc within the pitch circle apply the slant edge Tc of the instrument to the radial line... | |
 | Thomas Baker - 1852 - 260 str.
...describe the form of a tooth for a wheel of 29 teeth, of 3 inches pitch. Describe from a j centre A, an arc of the given pitch circle, and upon it set off DE, equal to the pitch, and bisected m m. Draw radial lines DA, E A. For the arc within the pitch circle the slant edge Tc tie instrument... | |
 | William S. Binns - 1869 - 244 str.
...wheel of 29 teeth and 3 inches pitch. Describe from a centre A, Fig. 27, an arc of the given Fig. 27. pitch circle; and upon it set off DE, equal to the pitch, and bisect it in m. Draw radial lines DA, E A. For the arc within the pitch circle apply the slant edge... | |
 | William S. Binns - 1886 - 272 str.
...circle; and upon it set off r> E, equal to the pitch, and bisect it in m. Draw radial lines DA, E A. For the arc within the pitch circle apply the slant...pitch circle, as in the figure. In the table headed Centres for the Flanks of Teeth, look down the column of 3-inch pitch, and opposite 30 teeth, which... | |
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an arc of the given pitch circle, and upon it set off DE, equal to the pitch, and bisected in m. Draw radial lines DA, EA. For the arc within the pitch circle apply the slant edge of the instrument to the radial line AD, placing its extremity D on the... 