These have now found a good home.
Going as a job lot (if you want one, you have to have the lot), and MUST be collected from Nottingham, an incomplete set of the Irish Astronomical Journal, loose, not bound. List of copies, to the best of my knowledge are listed below:
1 (1) Mar 1950
2 (2, 6, 7,8) 1952-3
3 (1-8) 1954-55
4 (1, 3-4) 1956
5 (1, 2-3, 5,6,7,8) 1958-9
6 (1-8) 1963-64
7 (1-8) 1965-66
8 (1-8) 1967-68
9 (1-8) 1969-70
10 (4) 1971
Special issue 1972 (dedicated to EJ Opik)
11 (5,6) 1974
12 (3,4) 1975
13 (7,8) 1976
14 (1-8) 1979-80
15 (1,2) 1981
16 (1-4) 1983-84
17 (1-4) 1985-86
18 (1-4) 1987-88
19 (2×2, 3-4) 1989-90
20 (1,2, 3*, 4) 1991-92
21 (1*,2*, , 3* & 4*) 1993-94
22 (1*, 2) 1995
23 ( 1*, 2*) 1996
24 (1,2) 1997
25 (1*, 2) 1998
26 (1, 2) 1999
27 (1*, 2*) 2000; Ceased publication
* contain Cyclopedia of Telescope Makers