Construction of a new museum building, Mount Wilson. Four (4) unidentified construction workers are posed standing on steel framing. Two of the construction workers are wearing coveralls. A concrete wall is seen behind them.
Two men with loaded 3-ton truck at the construction site for the 100-inch telescope, Mount Wilson Observatory. George Jones is on the left, facing away from the camera. The unidentified man on the right is wearing coveralls. Both men are wearing...
Three (3) unidentified men with car and trailer, carrying a wooden pole, possibly a telephone pole. They are posed in front of the corrugated metal building that houses the 100-inch telescope, Mount Wilson Observatory. A large spool of wire is seen...
Unidentified construction workers on Mount Wilson. Twelve (12) men posed for a group photograph; nine are standing and three are kneeling in front of them. One man, on the far right-hand side, is wearing coveralls. The construction workers are...
Unidentified man examining the breaker panel for the 200-inch telescope, Palomar Observatory. Photo by Will Connell, 335 No. Berendo St., Los Angeles 4. The man is standing at the board, and is wearing coveralls.
Construction of original monastery building, Mount Wilson Observatory. The monastery served as a dormitory for visiting scientists. In the background, a large portion of the partially-constructed building is seen. The right-hand portion of the roof...
50-foot interferometer mount, outside Mount Wilson Observatory's office in Pasadena. Two unidentified men stand on the ground next to the interferometer mount, a third is poised above the mount adjusting a tarpaulin. A small portion of the office...
Six men posing with the hoisting device used for removing the 100-inch mirror from its cell to be lowered onto the mirror, Mount Wilson Observatory. Left to right: Beebe, Dalton, Glenn, Moore, Nelson, and Pease. Mr. Glenn and Mr. nelson are...
Mr. Dalton and F.G. Pease standing next to the hoisting device holding the 100-inch telescope mirror, Mount Wilson Observatory. F.G. Pease stands at the far right, wearing s suit, coat and hat. Mr. Dalton leans over the mirror, and is wearing denim...
Mechanic standing next to the south float and pedestal of the 100-inch telescope during its renovation, Mount Wilson Observatory. The unidentified mechanic is wearing coveralls and a hat.
Asian construction workers widening the toll road below Pasadena Gap, Mount Wilson. Most of the men are wearing coveralls and all of them are wearing hats. Rockslides are in the area; shrubs are also seen.
Polar axle of the 60-inch telescope, Mount Wilson Observatory. The men pictured are Barnes, Ingram, & Bonham. Two of the three men are wearing coveralls, all three are wearing hats.
Construction of concrete foundation floor for water reservoir, Mount Wilson. Four unidentified construction workers are working within the reservoir construction site; one weilds a wheelbarrow while another uses a smoothing tool. The poured...
Unidentified construction project on Mount Wilson. The ten (10) visible construction workers are also unidentified. Most of the men are carrying a very large wooden box or container; the rest of the men are standing by. Some of the men are wearing...
Horse-drawn truck on Mount Wilson trail near old blacksmith shop. Three unidentified men are with the horse and its vehicle; the man on the far left is wearing coveralls, and all three men are wearing hats. A portion of the blacksmith's work area...
Removing the silver from the 100-inch mirror prior to its initial aluminizing, Mount Wilson Observatory. Three (3) unidentified men, all of whom are wearing coveralls, are working on the mirror.
Construction of a computer room addition at the base of the 150-foot tower telescope, Mount Wilson Observatory. An unidentified construction worker, wearing coveralls and a hat, is seen working on the foundation of the new building. A portion of...
Asian construction workers widening the Mount Wilson toll road. The rock face, a rock retaining wall and shrubs are all visible. Also shown is several men carrying large rocks with ropes tied around them, as a method of transportation.
Construction of the foundation floor for large water reservoir, Mount Wilson. Four unidentified men are working within the reservoir site, one is wheeling a wheelbarrow, and another is smoothing freshly poured concrete with a tool. The wire mesh...
Eight men posed with the 100-inch mirror and its hoisting device resting on raised platform above silvering hole, Mount Wilson Observatory. Left to right: Hickox, Richardson, Glenn, Beebe, Moore, Dalton, Nelson, F.G. Pease. The interior of the...