Tuesday, July 14, 2026

Spot the differences...

John Feirer and Earl Tetro,  Machine Tool Metalworking, McGraw-Hill, 1961


 Seriously...? This required an illustration? 

We pause for a commercial break and thank Williams for their support. 

3 comments:

  1. what color was the painted part, DARK brown? are they painted or texture and lighting... who cares, nevermind.

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  2. And they don't even mention that the single-end is easier to slip a pipe over.

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  3. I wish (a) and (b) were callouts with arrows. I can't tell which wrench is which. --rats

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