Public domain photos

The image shows a paper with a drawing of three different types of umbrellas, each with numbers and text written on it. The paper appears to be a diagram of an umbrella, with the numbers likely representing the different angles and angles of the umbrella.

The image shows a paper with a drawing of three different types of umbrellas, each with numbers and text written on it. The paper appears to be a diagram of an umbrella, with the numbers likely representing the different angles and angles of the umbrella.Open in library