[78-L] aluminium discs?

[Julian Vein]

John Wright wrote:
> A collector wrote to me today. Maybe members here can help me advise him 
> of what he has:
> 
>  >>>
> 
> The disk is aluminium with a blue material applied to it - like vinyl or 
> wax. The disk has a centre hole and an additional hole about 1" away. 
> The labels are paper either typed or hand written. All of the disks are 
> Jazz recordings dating from the late 1940s to early 50s.  Typical of the 
> unusual ones is one featuring Fats Navarro. I've googled it and it's a 
> session from NYC 20th September 1949 and features Max Roach amongst 
> others.
> 
> The same recordings are available on standard 78s.
> 
> What is this disk?
==================
This is the complete session (from Lord 4.4):

Don Lanphere
Fats Navarro (tp) Don Lanphere (ts) Al Haig (p) Tommy Potter (b) Max 
Roach (d)
New York, September 20, 1949
JRC35-A    Wailing wall    Misterioso (E)MLP1982, Prest 24046
JRC35-B    Wailing wall (incomplete)               (E)MLP1981
JRC35-C    Wailing wall (incomplete)              -
JRC35-D    Wailing wall              -          , New Jazz 819, Prest 
PR819, PRLP113, NJLP8296, P24081, PCD24114-2 [CD]
JRC35-E    Wailing wall    Misterioso (E)MLP1982, Prest PREP1321, 
PCD24114-2 [CD]
JRC36-A    Go (incomplete)    Misterioso (E)MLP1981
JRC36-B    Go               (E)MLP1982
JRC36-BC*    Go               (E)MLP1981, Prest NJ812, PR812,  Melodisc 
(E)1120, Prest PCD24114-2 [CD]
JRC36-C    Go    Misterioso (E)MLP1982, Prest PREP1321, PRLP113, 
NJLP8296, P24081, PCD24114-2 [CD]
JRC36-D    Go (incomplete)    Misterioso (E)MLP1981
JRC36-E    Go               (E)MLP1982
JRC37-A    Infatuation (incomplete)               (E)MLP1981
JRC37-B    Infatuation              -          , New Jazz 819, Prest 
PR819, PREP1321, PRLP113, NJLP8296, P24081, Prest
         PCD24114-2 [CD]
JRC37-C    Infatuation (incomplete)    Misterioso (E)MLP1981
JRC37-D    Infatuation               (E)MLP1982, Prest PCD24114-2 [CD]
JRC38-A    Stop (incomplete)               (E)MLP1981
JRC38-B    Stop               (E)MLP1981, New Jazz 812, Prest PR812, 
PREP1321, PRLP113, NJLP8296, P24081, Melodisc  (E)1120, Prest PCD24114-2 
[CD]
JRC38-C    Stop (incomplete)    Misterioso (E)MLP1981
JRC38-D    Stop               (E)MLP1982, Prest PCD24114-2 [CD]
Note: (*) Mx JRC36-BC is a spliced master; first two choruses B, 
remainder C.
New Jazz 8296 = Prestige (Jap)VIJ-5017M; both titled "Trumpet Giants"; 
rest of these LP's by Miles Davis and Dizzy Gillespie.
Misterioso (E)MLP1981 titled "The thin man meets fat boy, Vol. 1"; rest 
of this LP by Wardell Gray.
Misterioso (E)MLP1982 titled "The thin man meets fat boy, Vol. 2"; rest 
of this LP by Wardell Gray.
Prestige P24046 titled "25 Years of Prestige"; rest of this 2LP set by 
others.
Prestige P24081 titled "First sessions"; rest of this 2LP set by others.
Prestige PREP1321 as by Fats Navarro - 45 rpm.

      Julian Vein