§ 145. Stocks of municipal corporations, how represented. At any meeting of the stockholders of any railroad corporation to consider any agreement or proposition of consolidation, merger, lease or conveyance, or other matter, the commissioners or other officers of any municipal corporation holding or having charge of any of the capital stock of such railroad corporation shall represent such municipal corporation, and may act and vote in person or by proxy on all matters relating to such consolidation or lease in the same manner as individual stockholders.