In the photo on page 59, accompanying a letter, one of the model Holden sedans is misidentified.
The red and white car, identified as a model EK, is in fact an FB, the immediately preceding model of Holden sedan.
On the EK, the chrome strip, which on the FB edged the side two tone panel, ran the full length at waist level. On the EK, only the roof colour could differ from the main body colour. The main difference between the EK and the FB was that the EK offered the three speed automatic "Powerglide" transmission. The grille was slightly different, and that on the model is correct for the FB.
It is worth noting the decline of two tone paint options at this time. The model FC sedan illustrated represents a 1959 production car. A car with those colours in in 1958 would have had the roof and boot painted white, along with the side panels.