An Improvement on the Glass Cutter Used in a Darkroom

Wu Guangjie. An Improvement on the Glass Cutter Used in a Darkroom[J]. Astronomical Techniques and Instruments, 1983, (1): 68-69.

Citation:

Wu Guangjie. An Improvement on the Glass Cutter Used in a Darkroom[J]. Astronomical Techniques and Instruments, 1983, (1): 68-69.

Citation:

Wu Guangjie. An Improvement on the Glass Cutter Used in a Darkroom[J]. Astronomical Techniques and Instruments, 1983, (1): 68-69.

Abstract

A method of improving an ordinary glass cutter to make it suitable for the use in a darkroom is given.It is very simple and easy, but very convenient and useful.

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