--LIST OF PERMISSIBLE ELECTRIC FACE EQUIPMENT APPROVED
BY THE BUREAU OF MINES PRIOR TO MAY 23, 1936
Motor-Driven Mine Equipment
(Approved Under Schedules 2, 2A, 2B, and 2C)
--------------------+--------------------
Approval No. | Date
--------------------+--------------------
AIR COMPRESSORS |
--------------------+--------------------
128................| March 21, 1927.
128A...............| July 16, 1926.
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COAL DRILLS AND DRILLING MACHINES
Hand Drills
--------------------+--------------------
109................| September 19, 1922.
154................| August 1, 1928.
184................| February 7, 1930.
227................| July 29, 1931.
254................| July 15, 1933.
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Post Drills
--------------------+--------------------
119................| April 15, 1925.
119A...............| Do.
225................| July 10, 1931.
225A...............| Do.
228................| August 12, 1931.
228A...............| February 17, 1932.
230................| August 20, 1931.
230A...............| Do.
237................| December 1, 1931.
237A...............| Do.
--------------------+--------------------
Drilling Machines
--------------------+--------------------
147................| February 8, 1928.
147A...............| Do.
176................| September 9, 1929.
176A...............| Do.
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LOADING AND CONVEYING EQUIPMENT
LOADING MACHINES
Unmounted Type
--------------------+--------------------
122................| January 8, 1926.
122A...............| Do.
--------------------+--------------------
Caterpillar-Mounted Type
--------------------+--------------------
150................| May 11, 1928.
186................| March 15, 1930.
222................| May 8, 1931.
222A...............| July 28, 1931.
229................| August 17, 1931.
229A...............| Do.
235................| November 27, 1931.
235A...............| October 29, 1931.
278................| January 17, 1935.
278A...............| Do.
283A...............| March 12, 1935.
284A...............| Do.
285A...............| Do.
294................| September 18, 1935.
300A...............| May 6, 1936.
127................| July 16, 1926.
127A...............| September 23, 1927.
--------------------+--------------------
Track-Mounted Type
--------------------+--------------------
194................| June 6, 1930.
194A...............| Do.
217................| February 27, 1931.
217A...............| Do.
276................| January 11, 1935.
277................| January 17, 1935.
282A...............| March 12, 1935.
291A...............| July 3, 1935.
--------------------+--------------------
Pit-Car Loaders
--------------------+--------------------
167................| March 27, 1929.
167A...............| Do.
175................| July 26, 1929.
175A...............| June 24, 1929.
250................| December 10, 1932.
250A...............| Do.
252A...............| February 20, 1933.
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CONVEYORS
Belt Type
--------------------+--------------------
236................| November 19, 1931.
287A...............| March 12, 1935.
296A...............| January 6, 1936.
--------------------+--------------------
Chain Type
--------------------+--------------------
151................| May 19, 1928.
209................| December 2, 1930.
240................| March 12, 1932.
240A...............| Do.
298A...............| March 3, 1936.
--------------------+--------------------
Power Units for Conveyors
--------------------+--------------------
265................| February 12, 1934.
265A...............| March 19, 1934.
390A...............| March 23, 1934.
--------------------+--------------------
Shaker Type
--------------------+--------------------
247................| October 21, 1932.
257A...............| August 11, 1933.
262A...............| December 8, 1933.
271................| May 20, 1935.
271A...............| October 17, 1934.
274A...............| December 13, 1934.
286A...............| March 12, 1935.
295................| September 20, 1935.
299A...............| April 9, 1936.
--------------------+--------------------
Scraper-type Loaders
--------------------+--------------------
138................| August 5, 1927.
138A...............| Do.
196................| September 29, 1930.
196A...............| July 26, 1930.
226................| July 27, 1931.
255................| July 31, 1933.
256................| Do.
--------------------+--------------------
MINING MACHINES, MACHINERY-MOVING EQUIPMENT,
MISCELLANEOUS TRUCKS, AND WATER SPRAY SUPPLY UNITS
MINING MACHINES
Shortwall Machines
--------------------+--------------------
103................| November 2, 1917.
103A...............| Do.
105................| February 9, 1922.
105A...............| Do.
106................| Do.
106A...............| Do.
107................| Do.
107A...............| Do.
108................| Do.
108A...............| Do.
111................| October 16, 1922.
111A...............| Do.
113................| November 4, 1924.
113A...............| Do.
114................| February 7, 1925.
114A...............| Do.
115................| Do.
115A...............| Do.
153................| July 31, 1928.
153A...............| Do.
193................| June 3, 1930.
193A...............| Do.
197................| July 31, 1930.
197A...............| Do.
198................| August 1, 1930.
198A...............| Do.
201................| September 8, 1930.
201A...............| Do.
204................| October 13, 1930.
204A...............| December 13, 1930.
223................| May 13, 1931.
223A...............| Do.
241................| March 18, 1932.
241A...............| Do.
258................| August 15, 1933.
259A...............| August 16, 1933.
260A...............| August 17, 1933.
273................| November 30, 1934.
288................| March 27, 1935.
288A...............| Do.
292................| September 11, 1935.
292A...............| Do.
293A...............| Do.
--------------------+--------------------
Longwall Machines
--------------------+--------------------
185................| February 24, 1930.
185A...............| Do.
218................| March 10, 1931.
218A...............| Do.
246................| August 19, 1932.
246A...............| Do.
261................| September 12, 1933.
--------------------+--------------------
Track or caterpillar mounted
--------------------+--------------------
112................| March 13, 1924.
112A...............| Do.
118................| March 12, 1925.
118A...............| Do.
125................| April 26, 1926.
125A...............| Do.
172................| April 30, 1929.
172A...............| Do.
188................| April 15, 1930.
188A...............| Do.
207................| November 14, 1930.
207A...............| Do.
216................| February 12, 1931.
216A...............| Do.
231................| August 31, 1931.
231A...............| Do.
242................| April 7, 1932.
244................| June 18, 1932.
244A...............| September 20, 1932.
253A...............| February 25, 1933.
267................| June 27, 1934.
268A...............| July 25, 1934.
269A...............| September 24, 1934.
280A...............| March 4, 1935.
297................| January 27, 1936.
297A...............| Do.
--------------------+--------------------
Mine Pumps
--------------------+--------------------
140................| November 1, 1927.
140A...............| Do.
143................| Do.
143A...............| Do.
144................| Do.
144A...............| Do.
199................| August 18, 1930.
199A...............| Do.
208................| November 29, 1930.
210................| December 15, 1930.
210A...............| Do.
211................| December 17, 1930.
211A...............| Do.
213................| December 29, 1930.
213A...............| Do.
214................| January 2, 1931.
214A...............| Do.
215................| Do.
215A...............| Do.
248................| October 31, 1932.
248A...............| November 23, 1932.
264................| January 31, 1934.
264A...............| Do.
272................| October 23, 1934.
272A...............| Do.
--------------------+--------------------
Rock-Dusting Machines
--------------------+--------------------
130................| November 5, 1926.
137................| July 2, 1927.
146................| January 20, 1928.
146A...............| April 3, 1928.
180................| October 30, 1929.
180A...............| January 17, 1930.
206................| November 12, 1930.
279................| February 14, 1935.
--------------------+--------------------
Room and Car-Spotting Hoists
--------------------+--------------------
116................| February 13, 1925.
116A...............| Do.
164................| January 21, 1931.
164A...............| Do.
165................| Do.
165A...............| Do.
169................| April 5, 1929.
169A...............| February 26, 1934.
190................| April 20, 1930.
251A...............| January 16, 1933.
263................| January 11, 1934.
266A...............| February 27, 1934.
--------------------+--------------------
STORAGE-BATTERY LOCOMOTIVES AND POWER TRUCKS
(Approved under Schedules 15, 2C, 2D, and 2E)
Gathering Locomotives
--------------------+--------------------
1501...............| October 11, 1921.
1502...............| November 13, 1922.
1503...............| March 24, 1923.
1505...............| April 5, 1924.
1507...............| August 20, 1925.
1508...............| March 21, 1925.
1509...............| September 25, 1925.
1511...............| November 10, 1925.
1512...............| November 11, 1925.
1513...............| February 25, 1926.
1516...............| December 28, 1926.
1517...............| February 10, 1927.
1520...............| May 27, 1929.
1521...............| June 13, 1930.
1522...............| September 12, 1930.
1523...............| December 19, 1930.
1525...............| July 25, 1934.
1526...............| December 20, 1935.
--------------------+--------------------
Tandem Locomotive
--------------------+--------------------
1518...............| November 21, 1927.
--------------------+--------------------
Power Trucks
--------------------+--------------------
1506...............| May 5, 1924.
1505A..............| June 21, 1926.
1510C..............| December 31, 1926.
1514...............| December 18, 1926.
1515...............| December 28, 1926.
1512C..............| September 13, 1928.
1519C..............| April 6, 1929.
1524C..............| June 25, 1934.
--------------------+--------------------
JUNCTION, DISTRIBUTION, AND SPLICE BOXES
(Approved under Schedules 2D and 2E)
Junction Boxes
--------------------+--------------------
400................| June 16, 1928.
400A...............| August 5, 1925.
401................| May 11, 1927.
401A...............| Do.
402................| Do.
402A...............| Do.
403................| April 14, 1931.
403A...............| Do.
405A...............| December 4, 1933.
--------------------+--------------------