. Scientific American Volume 90 Number 16 (April 1904) . mm _ TAKE NO SUBSTITUTE A Dated GuarantyTag on Each Tire Protects younst Old Stock ALLIGATOR. PAIR Express Paid. PUNCTUKEPROOF-SElF-HEALING BICYCLE TIRES The OKIGINAL and only Punoture-proof and Self-healing Tire jnade. Nails,tacks, and glass wi 11 not let the air out. Positively will not become , durable, resilient. Greatest thickness where needed (see G in Ulna.)Examine—feel of it. Sent anywhere, subject to examination—nodeposit asked; but we pay express only when cash acoompaniea order. Statediameter of rim and siz
. Scientific American Volume 90 Number 16 (April 1904) . mm _ TAKE NO SUBSTITUTE A Dated GuarantyTag on Each Tire Protects younst Old Stock ALLIGATOR. PAIR Express Paid. PUNCTUKEPROOF-SElF-HEALING BICYCLE TIRES The OKIGINAL and only Punoture-proof and Self-healing Tire jnade. Nails,tacks, and glass wi 11 not let the air out. Positively will not become , durable, resilient. Greatest thickness where needed (see G in Ulna.)Examine—feel of it. Sent anywhere, subject to examination—nodeposit asked; but we pay express only when cash acoompaniea order. Statediameter of rim and size tire wanted. Catalog Fhsh. State and Lake VIM COMPANY, Sole Manufactis. CHICAGO. Mention Scientific American Radium The Spinthariscope, improved, very brilliant,with particle of radium, postpaid, . $ Radiant Tubes, containing radium and ra-dioactive salts for lecture demonstration, $ milligrams radium, 7,000 activity, $ WILLIAMS, BROWN Jfc EARLEDept 6 918 Chestnut St., Philadelphia, Pa. The Darlington Disaster could not have happened had Seaboard Cast Steel bases, columns and caps been used instead of cast iron-
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectyellowfever, bookyear
