Patents for inventions, abridgments of specifications.  Class 139,  Watches, clocks, and other timekeepers. 
 Watches, clocks, and other timekeepers 

 - 13 volumes :  illustrations ;  27 cm 
<br/><br/> Includes indexes. 
<br/><br/>[v.1] Period--A.D. 1855-1866. -- [v.2] Period--A.D. 1867-76. -- [v.3] Period--A.D. 1877-83. -- [v.4] Period--A.D. 1884-88. -- [v.5] Period--A.D. 1889-92. -- [v.6] Period--A.D. 1893-96. -- [v.7] Period--A.D. 1897-1900. -- [v.8] Period--A.D. 1901-4. -- [v.9] Period--A.D. 1905-8. -- [v.10] Period--A.D. 1909-15. -- [v.11] Period--A.D. 1916-20. -- [v.12] Period--A.D. 1921-25 -- [v.13] Period--A.D. 1926-30. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--Great Britain--Patents.
<br/><br/><label>Subjects--Index Terms: </label>Timekeeper (general) Her Majesty's Stationary Office, NA/Other Her Majesty's Stationary Office patent United Kingdom 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Patents.