P1060172
Nephelometer flow control

P1060177
Observatory building

P1060205
Aerosol instrument pumps

P1060227
CPCs

P1060228
Aethalometers

P1060229
CO2 tank for nephelometer span checks

P1060230
Back of aethalometer

P1060236
Blower for main stack flow

P1060278
Observatory surroundings

P1060284
Aerosol stack

P1060317
Aerosol instruments