| No. 1
Consists of a thin strip of steel cranked at one end and having slots cut along the length at each end. Over-all length
4.5". Used for adjusting the armature back-stop of A.T. &
E. Co., S.T. & C. and Ericssons’ horizontal-typo relays. |
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| No. 2
3" long, having a hole and projecting pin at one end. Used for adjusting the back-stops of Siemens’ No.50 Uniselectors. |
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| No. 3 |
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| No. 4 |
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| No. 5 |
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