Tie-treating plant Tie-treating plant, general yard Steamroller Mixer loader Mixer loader Mixer loader Mixer loader Storehouse Grinder Greasing machine on el at Thompson Sq. Greasing machine on el at Thompson Sq. Greasing machine on el at Thompson Sq. Air machine type BXA trade vibrator Track vibrator Tie plant Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Cheatham electric switching device Sceeder International Steel tie A.W. Green Bespectacled man writing at a desk Boston elevated office employees outing at Riverside, MA Group portrait, Boston Elevated Railway, Cambridge Subway, Central Sq. Office Engineering Staff Desk decorated with crepe paper Displayed doll collection Displayed doll collection with a small toboggan on the left Div. Sup. Senator and Mayor Fall presentation old church vane to city Doll collection display Four men in suits standing on tracks in front of a house and car Girl with a large doll collection with Christmas decorations Group of men in front of a brick wall, many in uniforms Group of men in uniform Group of workers standing in front of a fence, with buildings in the background Group photo of ladies in coats & hats Group photo of ladies inside & in front of a picture of a boat Group photo of men in an office Group photo of men in an office, with framed pictures on the rear wall Group photo of men in an office, with framed pictures on the rear wall Group photo of men in an office, with framed pictures on the rear wall Group photo of men in front of a Divisions Bulletin stand Maine - Squirrel Island - General - Postcards