ART. 23.] CORPORATIONS—CLASSES. 291

mess, and for the sale, transportation, or other disposition of the
products thereof. For manufacturing, furnishing and selling
hot water or steam for motive power, heating, cooking or other
useful applications in the streets and public and private buildings

of any city, village or town in this State; and such corporation
shall have the power to lay pipes or conductors for conducting hot
water or steam through the streets, avenues, lanes, alleys, squares

and highways in such city, village or town, with the consent of
the municipal authorities of said city, town or village, and under
such reasonable regulations and conditions as they may prescribe.

1868, ch. 471, sec. 20.

20. Class 7. For conducting any kind of mining business in
this State, and for selling or otherwise disposing of the products

of said business where the principal office of said corporation is
located in this State.

Ibid. sec. 21.

21. Class 8. For washing, dressing, smelting and otherwise

preparing for and bringing to market and selling the ores of all
kinds of metals; provided, said corporations carry on their gene-
ral operations in this State, and have their principal office therein.

Ibid. sec. 22.

22. Class 9. For opening and working quarries of marble,
slate or other economic minerals or mineral substances in this
State, and for the manufacturing thereof in this State, and for the
transportation or exportation and sale thereof.

Ibid. sec. 23.

23. Class 10. For boring for, opening, using or refining petro-
leum, salt, or other mineral springs in this State, and for boring
for, opening, using or refining in this State, other oils, where the

principal office of said corporation is located in this State.

Ibid. sec. 24. 1884, ch. 860. 1886, ch. 161.

24. Class 11. For constructing, owning or operating telegraph
or telephone lines in this State, where the principal office of said

corporation is located in this State, and for the transaction of any
business in which electricity over or through wires may be ap-
plied to any useful purpose.