Advert-19750810-SMH,p54

Lemair Sewing Machine Advert - Aug 10, 1975 - Sydney Morning Herald, p54
"Lemair sewing machine advertisement for Waltons department store from the Sydney Morning Herald for the..."

Lemair Charger
"From the photograph this would appear to be the Lemair 641. An insert in the photograph is captioned, 'Queen Anne style cabinet included $29 value'. It is identical to the machine and deal shown in the Waltons advert of Jul 06, 1975 - Sydney Morning Herald, p99, with a different graphic."

Source
Reference found from search on the Sydney Morning Herald records in Newspapers.com

Graphic is detail of free online access to this issue on Google News

Advert-19750810-SMH,p28, a mistake I made in the title, redirects to her.