@Comment 1871.bib -*- mode: BibTeX -*- 

@book{brown71_five_,
 title        = {Five hundred and seven mechanical movements},
 author       = {Brown, Henry T.},
 year         = {1871},
 tags         = {design, gears, horology, machines, mechanics},
 publisher    = {Brown, Coombs and Co.},
 pdf_locked   = {False},
 url          = {https://archive.org/details/fivehundredands01browgoog},
 file         = {1800/1870/1871/Brown/Brown_1871_Five_hundred_and_seven_mechanical_moveme.pdf},
}