References:

The following information is from:

• C. DREW catalogues No. 34 and 36, both published in the 1920s.
• C. DREW catalogue No. 37, 1947

"We are prepared to furnish to order, at short notice, special patterns of Calking Tools, or any desired length, width, thickness, or quality." (per Catalogue No. 34)

Catalogue listings:

Calking Irons: 0 Crease. Boat Irons. Size: 1/32" to 3/64" thick; 5 to 5 1/2" long. Wt. per dozen: 4 lbs.

(Price per dozen):

$7.00 (from catalogue No. 34)

$21.00 (from catalogues No. 36, 37)

Calking (or Thread) Irons: 0 Crease. Size: 1/16" thick; 5-1/2 to 6" long. Wt. per dozen: 5 lbs.

(Price per dozen):

$7.00 (from catalogue No. 34)

$21.00 (from catalogues No. 36, 37)

Calking (or Making) Irons: 1 Crease. Size: 1/8" thick; 5-1/2 to 6" long. Wt. per dozen: 6-1/2 lbs.

(Price per dozen):

$7.00 (from catalogue No. 34)

$21.00 (from catalogues No. 36, 37)

Calking (or Making) Irons: 2 Crease. Size: 3/16" thick; 5-1/2 to 6" long. Wt. Per dozen: 7 lbs.

(Price per dozen):

$7.00 (from catalogue No. 34)

$21.00 (from catalogues No. 36, 37)

Calking (or Making) Irons: 3 Crease. Size: 1/4" thick; 5-1/2 to 6" long. Wt. per dozen: 7-1/2 lbs.

(Price per dozen):

$7.50 (from catalogue No. 34)

$22.50 (from catalogues No. 36, 37)

Calking (or Making) Irons: 4* Crease. Size: 5/16" thick; 5-1/2 to 6" long. Wt. per dozen: 8 lbs.

(Price per dozen):

$8.00 (from catalogue No. 34)

$24.00 (from catalogues No. 36, 37)

 

*(note: these were referred to as a type of Crease No. 3 in catalogue No. 34, but as Crease No. 4 in catalogue No. 36).