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Fog Signal—Continued.
130. Disk or cylindrical siren, _________; diameter of revolving part, _________;
when made, _____________; by whom made, ________________; number, width, and length of ports, ____________; revelations per minute, _______; type of governor, _________; condition of revolving part, ______________
131. Daboll trumpet, _______. Reed, _______; length, __________; breadth, ___________; thickness at base, ________________; thickness at tip, ____________
132. Trumpet: Length, _________; diameters, _____________; material, ______________
133. Timing device, _______________________________
134. Height of whistle or trumpet above mean high water, ______________________
135. Direction, true, in which trumpet points, _______________________
136. If signal is blown by compressed air, describe compressing machinery:
Kind of engine, _____________; by whom made, ______________; when made, ______; normal size, __________; horsepower, ___________; kind of compressor, ____________; name of maker, ___________ State if compressor is on same bed and geared with engine, or separate and belt-driven:______________________________
137. Location, with reference to light-house, to a particular danger or channel, or to the special object for which established: ___________________________________________________
138. Distance and direction, true, from light-house, ____________________________________
139. Water supply for it, __________________________________________________________
140. How is it reached from the light-house? _________________________________________
141. Description for fog-signal building or buildings: ___________________________________

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