Issue 4 was made by another maker.
This graphicis just a placeholder to show where the numbers were stamped on the whistle.
84 BUCKINGHAM ST
EARLY 1884
Hand made number on the back and inspection mark on the loop.
84 BUCKINGHAM ST
LATE 1884
Hand made number on the back and inspection mark on the loop.
131 BARR ST
1885
Hand made number on the back and inspection mark on the loop.
131 BARR ST
1886/7
Hourglass shaped rolled mouthpiece Stamped numbers under window
131BARR ST
1888 - 1890S
Straight patent under address
13 BARR ST
1890S - 1897
Straight Patent above address or has The Metropolitan Patent stamp
13 BARR ST
1898 - 1900
HasThe Metropolitan Patent stamp
13 BARR ST
1901
May have a thicker concave loop.
13 BARR ST
1902 - 1906
Straight J.Hudson&Co in the address
13 BARR ST
1907
This issue may have run into early 1907
13 BARR ST
1907
Straight patent under the address later 1907
13 BARR ST
1908
Serif on the '1' in 13 and stamped 2 part top
13 BARR ST
LATE 1908
The 1907 address stamp was reused
13 BARR ST
1909
Dot after 13 new cap stamp no patent
13 BARR ST
1910
'Hudsons' was removed from cap stamp
13 BARR ST
1911 - 1913
The dash was removed after the 08
Thisstamp in issue 14 changes toand a straightstamp in issue 15. Both have the dot after
244.BARR ST
1914
Curved The Metropolitan
Patent stamp
244.BARR ST
1914 - LATE 1910S
Separate straight
Patent stamp
No more dot after the 244 and the pinched loopin issue 16 changes to a round loopin issue 17.
244 BARR ST
LATE 1910S
No dot after 244
last of pinched loop
244 BARR ST
LATE 1910S - 1922
Round inner loop
onward
The 'E' In POLICEchanges fromin issue 18 toin issue 19.
244 BARR ST
1923 -
Blank cap no Patent
244 BARR ST
MID 1920S
Shorter middle line in 'E'
The thick underline changes fromin issue 19 to a thinner underlinein issue 20.
244 BARR ST
LATE 1920S
Thin underline in Co
244 BARR ST
LATE 1920S - 1930S
No numbers
BARR ST HOCKLEY
1938/39
Number above window
NO ADDRESS
1940
No address stamp
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