Transactions of the Society Instituted at London for the Encouragement of Arts, Manufactures, and Commerce, Volumes 35-36 |
From inside the book
Results 1-5 of 26
Page 142
... tracer point coincides with the centre of the intended wheel A ; the nonius Z , must likewise be brought to its zero ; the frame A A , must be moved eccentric , equal to the radius of the dotted line a a , and be fixed by the two nuts ...
... tracer point coincides with the centre of the intended wheel A ; the nonius Z , must likewise be brought to its zero ; the frame A A , must be moved eccentric , equal to the radius of the dotted line a a , and be fixed by the two nuts ...
Page 143
... tracer point must be slided up , and the winch brought back to its former situation ; the nonius Z , must then be again turned , until the tracer point be found , when lowered , to coincide with the end of the segment , or bottom of the ...
... tracer point must be slided up , and the winch brought back to its former situation ; the nonius Z , must then be again turned , until the tracer point be found , when lowered , to coincide with the end of the segment , or bottom of the ...
Page 144
... tracer point will be moved along the dotted line cc , so as to describe the space between the bottoms of two of the teeth ; the size of the teeth and distance between them , having already been determined upon ; the tracer point must ...
... tracer point will be moved along the dotted line cc , so as to describe the space between the bottoms of two of the teeth ; the size of the teeth and distance between them , having already been determined upon ; the tracer point must ...
Page 145
... tracer at the point i , and turn the winch or handle half round , and the line if g , will be drawn ; then screw back the upper radial bar to its former situation , and move the frame A A , to the right hand , till the tracer coincides ...
... tracer at the point i , and turn the winch or handle half round , and the line if g , will be drawn ; then screw back the upper radial bar to its former situation , and move the frame A A , to the right hand , till the tracer coincides ...
Page 146
... tracer point coincides with c , or the radius of the intended screw ; then turn the winch E , till the radial bars are parallel and perpendicular to the lower sliding bar , and screw forward the upper radial bar , till the conjugate ...
... tracer point coincides with c , or the radius of the intended screw ; then turn the winch E , till the radial bars are parallel and perpendicular to the lower sliding bar , and screw forward the upper radial bar , till the conjugate ...
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Common terms and phrases
acres AIKIN angles ARTHUR AIKIN artists axis Bank Notes Bank of England Bart Bees block Candidate centre Charles colour Committee common turnip Communication copper copy Covent Garden craniotomy diameter Ditto dividing plate drawing Earl Edward effect ellipsis Encouragement of Arts England Notes engraving equal expense forceps forged forgery frame A A George Gold Isis Medal Gold Medal greatest number greatest quantity groove Guineas hemp Henry High Holborn hive imitation improved inches instrument invention James John Joseph last Tuesday less lower radial bar machine Manufactures Members paper parallel pendulum person planted Pound Pound Pound pounds weight Premium or Bounty present preserved printing produced purpose quantity of land Richard Robert Samuel scale Secretary side Silver Isis Medal Silver Medal slider sliding Society's Repository specimen steel Strand superior thirty guineas Thomas tion tracer point Tuesday in February Tuesday in January vignette weight wheel William