e larger sizes being ad- Center Co Just?ble to a sght extent. The forms are made in 10-footsections which can be telescoped one within the other, givingforms of any length. This form is not provided with end or side platesbut has the advantage of being extremely simple in construction. Touse this… … UNIVERSAL PORTLAND CEMENT CO. The Kelly Manufacturing Co., of Waterloo, Iowa, manufactures acollapsible steel form for culverts 13 in. to 48 in. in diameter and 16, 18,20 and 24 feet in length. It is a circular culvert form similar toftlflyCo *H> one described above, but is provided with end…
Bridges · Concrete · Culverts
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