Section 88.
The money arising from the sale of any of the bonds provided to be sold under this act, shall not be used for any purpose other than as set out on the notice of election held to authorize the issuance thereof. And if there be any surplus after the purpose for which the bonds were issued shall have been accomplished, the same shall be placed in the sinking fund herein provided, provided, that the said surplus may be used for other purposes authorized in section 81 of this act, if such use be authorized by a majority of the legal voters of the town expressed at a regular election or a special election held therefor, proper notice being given as provided in section 82 of this act.