The following uses of distilled spirits are regarded as “industrial” and will be excluded from any application of the term “nonindustrial use.” The use of distilled spirits:
(a) Free of tax by, and for the use of, the United States or any governmental agency thereof, any State, any political subdivision of a State, or the District of Columbia, for nonbeverage purposes; or
(b) Free of tax for nonbeverage purposes and not for resale or use in the manufacture of any product for sale:
(1) For the use of any educational organization described in 26 U.S.C. 170(b)(1)(A)(ii) which is exempt from income tax under 26 U.S.C. 501(a), or for the use of any scientific university or college of learning;
(2) For any laboratory for use exclusively in scientific research;
(3) For use at any hospital, blood bank, or sanitarium (including use in making analysis or test at such hospital, blood bank, or sanitarium), or at any pathological laboratory exclusively engaged in making analyses, or tests, for hospitals or sanitariums; or
(4) For the use of any clinic operated for charity and not for profit (including use in compounding of bona fide medicines for treatment outside of such clinics of patients thereof); or
(c) Free of tax, after denaturation of such spirits in the manner prescribed by law for:
(1) Use in the manufacture of ether, chloroform, or other definite chemical substance where such distilled spirits are changed into some other chemical substance and do not appear in the finished product; or
(2) Any other use in the arts and industries (except for uses prohibited by 26 U.S.C. 5273 (b) or (d)) and for fuel, light, and power.