| No.
|
Caliber
|
Length
|
Model
|
Serial No.
|
Manufacturer
|
Carriage
|
Service Dates
|
Notes
|
| A-1
|
12" Mortar Rifle
|
129"
|
M1886
|
|
#8
|
Builders
|
Mortar M1891, 34, Builders
|
1902-1920
|
|
| A-2
|
12" Mortar Rifle
|
129"
|
M1886
|
|
#6
|
Builders
|
Mortar M1891, 32, Builders
|
1902-1920
|
|
| A-3
|
12" Mortar Rifle
|
129"
|
M1886
|
|
#7
|
Builders
|
Mortar M1891, 33, Builders
|
1902-1920
|
|
| A-4
|
12" Mortar Rifle
|
129"
|
M1886
|
|
#5
|
Builders
|
Mortar M1891, 31, Builders
|
1902-1920
|
|
| B-1
|
12" Mortar Rifle
|
129"
|
M1886M
|
|
#40
|
Builders
|
Mortar M1891, 51, Robert Poole
|
1902-1920
|
|
| B-2
|
12" Mortar Rifle
|
129"
|
M1886M
|
|
#42
|
Builders
|
Mortar M1891, 40, Robert Poole
|
1902-1920
|
|
| B-3
|
12" Mortar Rifle
|
129"
|
M1886M
|
|
#36
|
Builders
|
Mortar M1891, 45, Robert Poole
|
1902-1920
|
|
| B-4
|
12" Mortar Rifle
|
129"
|
M1886M
|
|
#53
|
Builders
|
Mortar M1891, 47, Robert Poole
|
1902-1920
|
|
| Source: RCW Form 1, 1 Mar 1920
|