References:
The following information is from:
Evidently this type of tool was discontinued by the time catalogue No. 59 was published in 1959.
"Crucible Tool Steel. Heads and Cutting Edges Polished." (per catalogue No. 36)
"Silicon-Manganese Alloy Tool Steel. Heads and Cutting Edges Polished." (per catalogue No. 37)
Catalogue listings:
Half
Round Nose Cape Chisels: Cutting Edge: 1/8." Length: 5-1/4."
Wt. per dozen: 1-1/4 lbs. Price per dozen: $2.80 (from catalogues No. 36,
37)
Half
Round Nose Cape Chisels: Cutting Edge: 3/16." Length: 6."
Wt. per dozen: 2-1/4 lbs. Price per dozen: $3.00 (from catalogues No. 36,
37)
Half
Round Nose Cape Chisels: Cutting Edge: 1/4." Length: 6-1/8."
Wt. per dozen: 3-1/4 lbs. Price per dozen: $3.60 (from catalogues No. 36,
37)
Half
Round Nose Cape Chisels: Cutting Edge: 5/16." Length: 6-1/4."
Wt. per dozen: 4 lbs. Price per dozen: $4.50 (from catalogues No. 36, 37)
Half
Round Nose Cape Chisels: Cutting Edge: 3/8." Length: 7."
Wt. per dozen: 7 lbs. Price per dozen: $5.20 (from catalogues No. 36, 37)
Half
Round Nose Cape Chisels: Cutting Edge: 1/2." Length: 7-1/2."
Wt. per dozen: 11 lbs. Price per dozen: $7.20 (from catalogues No. 36,
37)
The prices listed above are for historical purposes only; listed items are not being offered for sale.