Clockmaking - Past And Present: With Which Is Incorporated The More Important Portions Of 'Clocks, Watches And Bells,' By The Late Lord Grimthorpe Relating To Turret Clocks And Gravity EscapementsEbookClockmaking - Past And Present: With Which Is Incorporated The More Important Portions Of 'Clocks, Watches And Bells,' By The Late Lord Grimthorpe Relating To Turret Clocks And Gravity EscapementsbyG. F. C. GordonRating: 0 out of 5 stars0 ratingsSave Clockmaking - Past And Present: With Which Is Incorporated The More Important Portions Of 'Clocks, Watches And Bells,' By The Late Lord Grimthorpe Relating To Turret Clocks And Gravity Escapements for later