McInnes Steam Indicator
 
      Founded by Alexander Dobbie in 1841, the firm changed its name to Alexander Dobbie & Son after the death of the founder 1881. About 1902 the firm acquired M. Walker and Son, T. S. McInnes and Co. Ltd., D. McGregor and Co. Ltd. and Gebbie and Co. They then changed the firm's name to Dobbie-McInnes, Ltd.
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