Adrian Schmidt wrote:

> my friend is looking for Mira discs ... 23.6 cm

Barry Johnson has just advertised new music box discs for sale in the
MBSI News Bulletin.

He offers Mira discs in sizes 7" (6-3/4"), 9-1/2", 12", 15-1/2",
and 18-1/2".

  Barry Johnson Music Box Co.
  2423-F Old Middlefield Way
  Mountain View, CA 94043  USA
  tel: 650-964-0685

Send two 33-cent stamps for each list.

Jack M. Conway

 [ Thanks also to Alan Fox (Antique Melodies Museum) for the
 [ same information.
 [
 [ Could you specialists please tell us both the "metric common names"
 [ and the _actual_ dimensions of popular music box discs?  Here are
 [ the equivalent metric dimensions for Adrian, but I don't know how
 [ these compare with measurements of real discs.
 [
 [   6.75 inch  17.15 cm
 [   7.0 inch   17.78 cm
 [   9.5 inch   24.13 cm
 [  12.0 inch   30.48 cm
 [  15.5 inch   39.37 cm
 [  18.5 inch   46.99 cm
 [
 [ Adrian, just write a nice letter to Barry Johnson, and with it hide
 [ one or two $1 bills (for the postage to Germany).  He will be glad
 [ to hear from you!  :-)
 [
 [ -- Robbie