The phrase "by a human hand" is correct and usable in written English.
It can be used to indicate that something was created, made, or influenced by a person rather than by a machine or automated process.
Example: "The sculpture was crafted by a human hand, showcasing the artist's unique style and attention to detail."
Alternatives: "made by a person" or "created by human effort."
There must be thousands; each one was set by a human hand.
A signature by a human hand will have variation in pressure or the width of the line, though good machines can go some way to replicating this.
Here I was gripped by their originality, their freshness, their immediacy: marks made on paper, in metalpoint and pen and ink, by a human hand 500 years ago.
To speak of an "innate reverence for the miracle of something achieved by a human hand" is, in fact, to commend more than it is to dispraise.
The stool emerges from its manufacturing process fully jointed and ready to unfold, though it hasn't been touched by a human hand.
Because it reveals, in Halliday's words "the innate reverence for the miracle of something achieved by a human hand still paramount in a community which owes all its wealth and power... to the success of the products of its machines".
The performance of the designed oval-coil system was demonstrated experimentally by imaging a human hand.
At UCHC, adult female mosquitoes were primed for blood feeding before dissecting out their SG by placing a human hand close to the mosquito cage for 3 5 min (without letting the mosquitoes probe).
A revolving metal cylinder containing a sacred text, the Tibetan prayer wheel is set in motion by the turn of a human hand.
They represent the hope for a civilized world designed by an individual human hand, and not simply generated by the anonymous ones and zeros of binary code.
Only psycho-analysis and ethnography seem capable of explaining a phenomenon like the modern literary festival, behind which there seems to lie an archaic suspicion of printing and a desire to see that the words on the page were truly put there by a human, whose hand one wants to physically witness moving across paper.
