twelve o'clock
`` And to show that there is gold too , '' suggested Alan , `` we might as well take along , these gold ` scrapers , ' which wo n't bother us much , '' So these two pieces were strung on cords and suspended about the necks of the young treasure seekers . `` And to-morrow , '' exclaimed Ned joyfully when all this was done , `` we 'll get down from here and get a bath . '' `` Amen , '' added Alan earnestly . Until it was twelve o'clock , the time to take their observation , the boys spent the next morning in last preparations and making everything shipshape . The framework of the car was left intact , but weighted by stones to prevent injury by the wind . Everything movable was stored in the entrance room of the temple , including three and one-half cans of gasoline . The engine was oiled and covered with blankets .