Selby Lead and Smelting Company shot tower, First & Howard Sts. (Making shot: molten lead was raised up and poured and depending upon the size seive it went through it was classified "B", "BB", etc.; it cooled, perfectly round, in a tank of water at the bottom.) San Francisco Gas, Light & Heat Co., left. :58

Courtesy of UC Berkeley, Bancroft Library

http://www.oac.cdlib.org/ark:/13030/tf5s20089s/?order=1

Title:

Selby Lead and Smelting Company shot tower, First & Howard Sts. (Making shot: molten lead was raised up and poured and depending upon the size seive it went through it was classified "B", "BB", etc.; it cooled, perfectly round, in a tank of water at the bottom.) San Francisco Gas, Light & Heat Co., left.

Contributing Institution:

UC Berkeley, Bancroft Library