| Firm
| Maker's Mark
| Date & Device
| Location
|
| Isaac Smith
| 
| 1821
gage plate
(gauge plate)
| Birmingham
|
| N. Smith & Co.
| 
| 1784
open hand
| Sheffield
|
| William Smith
| 
| 1812
semiquaver
| Birmingham
|
| Staniforth, Parkin & Co.
| 
| 1784
dagger
| Sheffield
|
| Benjamin Stot
| 
| 1811
triton
| Duke Street
Sheffield Park
Sheffield
|
| Robert Sutcliff & Co.
| 
| 1786
| Sheffield
|
| Sykes & Co.
| 
| 1784
equal cross
| Sheffield
|
| Stephen Thomas
| 
| 1813
snake
| 45 Thorp Street
Birmingham
|
| Edward Thomason's & Dowler
| 
| 1807
comet
| Birmingham
|
| Edward Thomason's & Dowler
| 
| 1807
comet
| Birmingham
|
| Tonks
| 
| 1807
square
| Birmingham
|
| Tonks
| 
| 1824
umboralla
umbrella
| Birmingham
|
| Tudor & Co.
| 
| 1784
half moon
| Sheffield
|
| Samuel Turley
| 
| 1816
coach wheel
| Birmingham
|
| John Turton
| 
| 1820
egg
| 8 Church Street
Birmingham
|
| Joseph Tyndall
| 
| 1813
globe
| Mosely St., Deritend
Birmingham
|
| Waterhouse & Co.
| 
| 1807
acorn
| Birmingham
|
| J. & J. Waterhouse & Co.
| 
| 1833
fleur de lis
| Birmingham
|
Waterhouse & Co.
John Waterhouse & Edward Hatfield & Co.
| 
| 1836
phoenix
| Portobello Place
Sheffield
|
| Watson, Fenton & Bradbury
| 
| 1795
ship
| Methodist Meeting Yard
Sheffield
|
| Watson, Pass & Co.
| 
| 1811
georgium sidus
| Sheffield
|
| John White
| 
| 1811
eagle's head
| Birmingham
|
| Henry Wilkinson & Son
| 
| 1836
cross keys
| Norfolk Street
Sheffield
|
| Joseph Willmore
| 
| 1807
triangle
| Birmingham
|
| William Woodward
| 
| 1814
pisces
| Bishopsgate Street
Birmingham
|
| Samuel Worton
| 
| 1821
scissors
| near the Five Ways
Birmingham
|
| John Wright & George Fairbairn
| 
| 1809
trumpet
| Sheffield
|
| S. & C. Young & Co.
| 
| 1813
miter
| Union Street
Sheffield
|
