[Revised February 10, 1910.]
SERVICE FIELD GLASSES.
1. Preliminary.—This specification covers the design and construction of field glasses, types A and B, each having two powers as hereinafter specified.
2. Sample.—The bidder shall furnish with his proposal a sample of the glass which he will supply, and award will be made after comparison of the samples with models on file in the office of the Chief Signal Officer. The maker will be allowed to examine the model glasses in detail in the office of the Chief Signal Officer of the Army, Washington, D. C.
3. Inspection and test.—When the order under this specification is complete, the contractor will notify the Chief Signal Officer of the Army, who will cause an inspection to be made. It shall be the duty of the contractor to remedy any defects pointed out by the inspector, and the contractor will be held accountable for any imperfections which the inspector may have overlooked.
Fig. 34.—Field glasses, Types C and D.