1967 mechanical bricklaying machine.
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Previously:
https://www.homemadetools.net/forum/...948#post148881
https://www.homemadetools.net/forum/...349#post110233
https://www.homemadetools.net/forum/...6110#post83067
https://www.homemadetools.net/forum/...351#post116545
https://www.homemadetools.net/forum/...3525#post99317
https://www.homemadetools.net/forum/...5878#post82693
https://www.homemadetools.net/forum/...5501#post81995
