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Reviews (16)
11 Sep, 2009
Reprint of 1900 Indicator instructions
This is a modern reprint of a rare manual of the Steam Indicator. It covers the same ground that the common Hawkins but then goes further into detail. There is detail instructions for the Coffin Planimeter. This planimeter has two pointers on the opposite side from the measuring side. I knew that they were there for a purpose but until this book explained the function, I did now know what they were for. I recently bought a indicator that had a funny chart that I had never seen. It looked like a ringing circuit in electronics. Here, the book shows how to check a compressor and there was that chart. Well worth the price. Ole L J

20 May, 2024
Rec'd as shown. 5 Star also 5 star on the refill.
Rec'd as shown. 5 Star also 5 star on the refill.

25 May, 2025
This is a real good one. I can get more ...
This is a real good one. I can get more leverage in cutting the tough type of grass invading my lawn. 5 Star