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Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 149
W6092. Starretts Higli-^peed Indicator ]\fo. 104 .$1 00 … W6094. Starretts Improved Speed Indicator No. 100. |1 50Electric apparatus and appliances · Equipment and supplies
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
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