V klasse vsegda naidetsya neskol'ko chelovek, osobenno aktivno zanimayushihsya astronomiei, ves'ma ohotno i s bol'shim interesom prinimayushih uchastie v postroike astronomicheskih priborov i instrumentov. Naidutsya i takie, kotorye pozhelayut dopolnitel'no, v poryadke kruzhkovoi raboty, zanimat'sya ne tol'ko praktikoi, no i teoriei astronomii.

Razumeetsya, uchitel' v takih sluchayah prilozhit vse sily, chtoby organizovat' kruzhok astronomii, na, kotorom naryadu s dokladami teoreticheskogo, istoricheskogo i antireligioznogo haraktera byli by vystupleniya yunyh izobretatelei i stroitelei s pokazom sozdannyh imi priborov.

Kruzhkovaya i lyubitel'skaya rabota uchashihsya mozhet ochen' obogatit' astronomicheskii kabinet. Praktika pokazyvaet, kak mnogo inogda ochen' cennyh i prekrasno sdelannyh priborov dayut lyubiteli astronomii, umeyushie masterit'.

Vot pochemu astronomicheskii kabinet dolzhen imet' zapasy vsyakogo roda materialov i nekotorye instrumenty, perechislennye pri opisanii komnaty hraneniya posobii (str.11). Nuzhno pol'zovat'sya kazhdym proyavleniem zhelaniya uchashihsya sdelat' chto-nibud' dlya kabineta i okazyvat' im v etom samoe vnimatel'noe sodeistvie.