. 20th century catalogue of supplies for watchmakers, jewelers and kindred trades. No. 105. Rubber Frame, Cork Guards, set with Convex Lenses, per doz $ ? 106. Rubber Frames, Ordinary Style Convex Lenses, per doz 80j No. 108. Steel Frame, Cork Guards, Piano Convex Lenses, Nickel-plated, per doz $ 109. Double • 110. ? ? ? Periscopic 111. ? only, No. 112. Steel Frames, only, Ordinary Quality, per doz _. $ 113. Piano Convex Lenses, Nickel-plated, per doz 114. Double •? 2 50 115. Periscopic 300 116. only. Good •• __ ggg

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Keywords: ., bookcentury1800, bookdecade1890, bookid20thcenturyc, bookyear1899