I have however been contacted by John from Australia who has sent me pictures of another Smiths I have not heard of before and he is having problems with.
I have advised him of my suspicions and await further correspondence with a view to help repair the Australian Smiths.
It seems Frederick Lassetter & Co Limited were huge in the early 19th Century right through to the early 20th Century.
Here is a link for those interested with regard to their history
Lech, Michael, F Lassetter and Co, Dictionary of Sydney, 2011, http://dictionaryofsydney.org/entry/f_lassetter_and_co, viewed 28 Aug 2017