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T h e m o m e n t your request for M E R C K LABORA­ TORY CHEMICALS is received, we can flash it to

the warehouse—by remote control. Ghost like, "the moving finger writes, and, having writ," your order m a y be shipped without further delay. At Merck, utilization of latest technical im­ provements in production, control, and service is p a r t of a continuous process. T h a t ' s why we can

supply from complete stocks, so speedily, so many different laboratory chemicals. Thousands of chemical users have found t h a t they can rely on Merck for superior quality of product and for dependable source οι ready supply. You, too, will find t h a t it pays t o specify M E R C K whenever you order laboratory chemicals.

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MERCK & CO., Inc. ^Htimt/^cUt^n^'iÉAemiiÎi KAHWÂY, N. J.

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