THE ELECTRICIAN'S SKETCHING PAD.
Size 8 × 10. Scale 10 to 1 in. Price 25c. each. Per dozen, $2.50.
THE ELECTRICIAN'S SKETCHING BOOK.
Made from this paper. Scale 10 to 1 inch. Size of book 5 × 8 inches, with stiff board covers. Price, 25c. each; per dozen, $2.50.
Any quantity mailed to any part of the world on receipt of price.
Or Books and Pads Assorted, per dozen, $2.50
This paper is not ruled. Try it and you will find it
GOOD, ACCURATE AND CHEAP.
SPON & CHAMBERLAIN, 12 Cortlandt St.,
NEW YORK.
Manual of Instruction in
Hard Soldering