Published by The Keystone,
the organ of the jewelry and optical trades,
19th & Brown Sts., Philadelphia, U.S.A.
The Keystone Record Book of Watch Repairs
This book is 9 × 11 inches, has 120 pages, and space for recording sixteen hundred jobs in detail. It is made of linen ledger paper, bound in cloth with leather back and corners.
Price, $1.00 (4s. 2d.), prepaid.
No other record book on the market is so complete, and all cost more.
Published by The Keystone,
the organ of the jewelry and optical trades,
19th & Brown Sts., Philadelphia, U.S.A.
The Keystone Book of Guarantees of Watch Repairs
This book contains two hundred printed guarantees, and is handsomely bound. Each guarantee is 3-1/4 x 7-1/2 inches, and most carefully worded. Jewelers have discovered that the use of these guarantees is a most effective way to secure and cultivate public confidence. We sell a book of two hundred for