Putting the stamp on astronomy 来自 ResearchGate 喜欢 0 阅读量: 31 作者: I Ridpath 摘要: Astronomy has its own history immortalised in stamps. The author takes a walk through his own collection and discusses how British astronomy has been celebrated on millions of envelopes. 关键词: ...
Food banks are feeling the pressure in these times. My friends at Feast Letterpress have swooped in with a fabulous idea. Introducing Notes From Quarantine. This is a letter writing set with six sheets of paper, three envelopes AND three Canadian permanent stamps. All proceeds from sales will ...
52, 53 and then under longitudinal damping- stamps 27 and a cross-stamp 29, which is held down by a rotating disk 31 bearing against it, or against a roller 32 thereon, until a recess 30 in the' disk allows the stamp to be pressed against the gum on the strip by a spring 28. Th...