Metric weights, technical and laboratory No.627,630,632A,640 M
No. 627. Metric Weights – Class X, adjusted to Tolerance C. Bureau of Standards. For Laboratory and Technical work. Lacquered brass weights; fractional weights, 500 do 50 mg of nickel silver, 20 to 1 mg of aluminum. In mahogany box, hinged cover, with nickel silver forceps.
| 20 | 50 | 100 | 200 | 500 | 1000 | 2000 grams to 1 mg. |
| $6,00 | 7,00 | 8,00 | 11,00 | 14.00 | 17,50 | 28,00 per set |
No. 632– A Metric Weights. – Class X (Grade 627). In mahogany box with cover, removable weight plate of Bakelite, with forceps.
500 mg to 1 mg. $2,65 per set
500 mg to 5 mg $2,45 per set
500 mg to 10mg $2,35 per set
No. 630 Metric Weights. – Adjusted to Tolerance Table 11, Bureau of Standards, brass weights lacquered; in stained wood block, with fractionals of aluminum in covered recess.
| 10 | 20 | 50 | 100 | 200 | 500 | 1000 | 2000 grams to 1 mg. |
| $2,25 | 2,25 | 2,85 | 3,45 | 6.00 | 8,00 | 11,50 per set | 17,50 per set |
Sets down to 1 gram, deduct .60 from No. 630 prices.
No. 634. Metric Weights. – Same grade as No. 630, in pill box.
| 1 | 5 | 10 grams to 1 cg | 5 dg to 1 cg. |
| $1,00 | 1,45 | 1,70 per set | .90 per set |
No. 640. Metric Weights. – Iron, Class X: (100 gm, and 20 gm, in duplicate) 5, 10, 20 kg, Grip From, with Handle.
| Set | 1 | 2 | 5 | 10 | 20 kg. To 10 grams |
| Total Weight | 2 | 4 | 9 | 19 | 39 kg. |
| Total Weight | $4,25 | 5,75 | 10,00 | 16,50 | 29,00 per set |
No 641. Metric Weights. – Iron, Single. Grade No. 640.
| 20 | 10 | 5 | 2 | 1 |
| $13,00 | 7,50 | 4,50 | 1,70 | 1 each. |
| 500 | 200 | 100 | 50 | 20 | 10 grams |
| .75 | .60 | .45 | .35 | .20 | .30 each |
No. 744. Normal Sugar Weights.– Class XX, Brass, Polished and lacquered, in box with cover.
Single weights:
| 13 | 26 | 52 | 65 grams |
| $1,70 | 2,00 | 2,85 | 2,85 each |